25 changed files with 1507 additions and 1428 deletions
--- a/discussion/index.ndjson
+++ b/discussion/index.ndjson
@ -1,5 +1,5 @@
-{"type":"meta","next_id":{"DSC":39,"AGD":42,"DEC":39,"PLN":92,"LSN":54,"CLSN":1}}
+{"type":"meta","next_id":{"DSC":39,"AGD":42,"DEC":38,"PLN":87,"LSN":53,"CLSN":1}}
-{"type":"discussion","id":"DSC-0038","status":"done","ticket":"studio-packer-rgba8888-asset-pipeline","title":"Studio and Packer RGBA8888 Asset Pipeline Alignment","created_at":"2026-05-23","updated_at":"2026-07-14","tags":["studio","packer","assets","glyph-bank","palette","rgba8888","runtime-alignment"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0053","file":"discussion/lessons/DSC-0038-studio-packer-rgba8888-asset-pipeline/LSN-0053-rgba8888-is-the-canonical-studio-packer-palette-contract.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14"}]}
+{"type":"discussion","id":"DSC-0038","status":"open","ticket":"studio-packer-rgba8888-asset-pipeline","title":"Studio and Packer RGBA8888 Asset Pipeline Alignment","created_at":"2026-05-23","updated_at":"2026-05-23","tags":["studio","packer","assets","glyph-bank","palette","rgba8888","runtime-alignment"],"agendas":[{"id":"AGD-0041","file":"AGD-0041-studio-packer-rgba8888-asset-pipeline.md","status":"accepted","created_at":"2026-05-23","updated_at":"2026-05-23"}],"decisions":[{"id":"DEC-0037","file":"DEC-0037-studio-packer-rgba8888-asset-pipeline.md","status":"accepted","created_at":"2026-05-23","updated_at":"2026-05-23","ref_agenda":"AGD-0041"}],"plans":[{"id":"PLN-0081","file":"PLN-0081-rgba8888-packer-and-studio-spec-propagation.md","status":"done","created_at":"2026-05-23","updated_at":"2026-05-23","ref_decisions":["DEC-0037"]},{"id":"PLN-0082","file":"PLN-0082-rgba8888-palette-model-and-argb-conversion.md","status":"done","created_at":"2026-05-23","updated_at":"2026-05-23","ref_decisions":["DEC-0037"]},{"id":"PLN-0083","file":"PLN-0083-rgba8888-glyph-payload-emission-and-sizes.md","status":"done","created_at":"2026-05-23","updated_at":"2026-05-23","ref_decisions":["DEC-0037"]},{"id":"PLN-0084","file":"PLN-0084-rgba8888-packer-projections-and-workspace-apis.md","status":"done","created_at":"2026-05-23","updated_at":"2026-05-23","ref_decisions":["DEC-0037"]},{"id":"PLN-0085","file":"PLN-0085-rgba8888-tests-fixtures-and-conformance.md","status":"done","created_at":"2026-05-23","updated_at":"2026-05-23","ref_decisions":["DEC-0037"]},{"id":"PLN-0086","file":"PLN-0086-rgba8888-final-integration-and-residue-removal.md","status":"done","created_at":"2026-05-23","updated_at":"2026-05-23","ref_decisions":["DEC-0037"]}],"lessons":[]}
 {"type":"discussion","id":"DSC-0037","status":"done","ticket":"pbs-autocomplete-parameter-names","title":"PBS autocomplete parameter names for stdlib and method calls","created_at":"2026-05-08","updated_at":"2026-05-14","tags":["compiler-pbs","studio","lsp","autocomplete","signature-help","stdlib"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0052","file":"discussion/lessons/DSC-0037-pbs-autocomplete-parameter-names/LSN-0052-canonical-callable-parameter-names-through-pbs-editor-assistance.md","status":"done","created_at":"2026-05-14","updated_at":"2026-05-14"}]}
 {"type":"discussion","id":"DSC-0036","status":"open","ticket":"pbs-symbol-documentation-and-hover-markdown","title":"Modelo de documentacao de simbolos em PBS e consumo markdown no hover","created_at":"2026-05-08","updated_at":"2026-05-08","tags":["compiler","compiler-pbs","studio","lsp","vscode","editor","hover","documentation","markdown"],"agendas":[{"id":"AGD-0039","file":"AGD-0039-pbs-symbol-documentation-and-hover-markdown.md","status":"open","created_at":"2026-05-08","updated_at":"2026-05-08"}],"decisions":[],"plans":[],"lessons":[]}
 {"type":"discussion","id":"DSC-0035","status":"done","ticket":"pbs-lsp-editor-assistance-wave-1","title":"Wave 1 de assistencia editorial via LSP para PBS no VS Code","created_at":"2026-05-08","updated_at":"2026-05-08","tags":["studio","lsp","vscode","compiler","compiler-pbs","editor","completion","hover","signature-help"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0051","file":"discussion/lessons/DSC-0035-pbs-lsp-editor-assistance-wave-1/LSN-0051-compiler-backed-editor-assistance-for-pbs.md","status":"done","created_at":"2026-05-08","updated_at":"2026-05-08"}]}
@ -18,7 +18,7 @@
 {"type":"discussion","id":"DSC-0002","status":"done","ticket":"palette-management-in-studio","title":"Palette Management in Studio","created_at":"2026-03-26","updated_at":"2026-04-23","tags":["studio","legacy-import","palette-management","tile-bank","packer-boundary"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0042","file":"discussion/lessons/DSC-0002-palette-management-in-studio/LSN-0042-schema-driven-palette-authoring-and-local-metadata-events.md","status":"done","created_at":"2026-04-23","updated_at":"2026-04-23"}]}
 {"type":"discussion","id":"DSC-0003","status":"done","ticket":"packer-docs-import","title":"Import docs/packer into discussion-framework artifacts","created_at":"2026-03-26","updated_at":"2026-03-26","tags":["packer","migration","discussion-framework","docs-import"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0009","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0009-mental-model-packer-legacy.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"},{"id":"LSN-0010","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0010-asset-identity-and-runtime-contract-legacy.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"},{"id":"LSN-0011","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0011-foundations-workspace-runtime-and-build-legacy.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"},{"id":"LSN-0012","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0012-runtime-ownership-and-studio-boundary-legacy.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"},{"id":"LSN-0013","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0013-metadata-convergence-and-runtime-sink-legacy.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"},{"id":"LSN-0014","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0014-pack-wizard-summary-validation-and-pack-execution-legacy.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"},{"id":"LSN-0015","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0015-tile-bank-packing-contract-legacy.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"},{"id":"LSN-0017","file":"discussion/lessons/DSC-0003-packer-docs-import/LSN-0017-packer-docs-import-pattern.md","status":"done","created_at":"2026-03-26","updated_at":"2026-03-26"}]}
 {"type":"discussion","id":"DSC-0004","status":"abandoned","ticket":"tilemap-and-metatile-runtime-binary-layout","title":"Tilemap and Metatile Runtime Binary Layout","created_at":"2026-03-26","updated_at":"2026-04-24","tags":["packer","legacy-import","tilemap","metatile","runtime-layout"],"agendas":[{"id":"AGD-0004","file":"AGD-0004-tilemap-and-metatile-runtime-binary-layout.md","status":"abandoned","created_at":"2026-03-26","updated_at":"2026-04-24","_override_reason":"Explicit user request on 2026-04-24 to abandon AGD-0004 because the agenda is no longer valid."}],"decisions":[],"plans":[],"lessons":[]}
-{"type":"discussion","id":"DSC-0005","status":"open","ticket":"variable-tile-bank-palette-serialization","title":"Variable Glyph Bank Palette Serialization","created_at":"2026-03-26","updated_at":"2026-07-14","tags":["packer","legacy-import","glyph-bank","palette-serialization","rgba8888","runtime-alignment"],"agendas":[{"id":"AGD-0005","file":"AGD-0005-variable-tile-bank-palette-serialization.md","status":"accepted","created_at":"2026-03-26","updated_at":"2026-07-14"}],"decisions":[{"id":"DEC-0038","file":"DEC-0038-variable-glyph-bank-palette-serialization.md","status":"accepted","created_at":"2026-07-14","updated_at":"2026-07-14","ref_agenda":"AGD-0005"}],"plans":[{"id":"PLN-0087","file":"PLN-0087-variable-glyph-palette-spec-propagation.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0038"]},{"id":"PLN-0088","file":"PLN-0088-variable-glyph-palette-metadata-and-count-model.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0038"]},{"id":"PLN-0089","file":"PLN-0089-variable-glyph-palette-payload-emission-and-size-accounting.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0038"]},{"id":"PLN-0090","file":"PLN-0090-studio-and-packer-projections-for-variable-glyph-palettes.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0038"]},{"id":"PLN-0091","file":"PLN-0091-variable-glyph-palette-tests-fixtures-and-final-validation.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0038"]}],"lessons":[]}
+{"type":"discussion","id":"DSC-0005","status":"open","ticket":"variable-tile-bank-palette-serialization","title":"Variable Tile Bank Palette Serialization","created_at":"2026-03-26","updated_at":"2026-03-26","tags":["packer","legacy-import","tile-bank","palette-serialization","versioning"],"agendas":[{"id":"AGD-0005","file":"AGD-0005-variable-tile-bank-palette-serialization.md","status":"open","created_at":"2026-03-26","updated_at":"2026-03-26"}],"decisions":[],"plans":[],"lessons":[]}
 {"type":"discussion","id":"DSC-0006","status":"done","ticket":"pbs-game-facing-asset-refs-and-call-result-discard","title":"PBS Game-Facing Asset References and Ignored Call Result Lowering","created_at":"2026-03-27","updated_at":"2026-03-30","tags":["compiler","pbs","ergonomics","lowering","runtime","asset-identity","expression-statements"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0024","file":"discussion/lessons/DSC-0006-pbs-game-facing-asset-refs-and-call-result-discard/LSN-0024-addressable-surface-host-metadata-and-ignored-value-discipline.md","status":"done","created_at":"2026-03-30","updated_at":"2026-03-30"}]}
 {"type":"discussion","id":"DSC-0007","status":"done","ticket":"pbs-learn-to-discussion-lessons-migration","title":"Migrate PBS Learn Documents into Discussion Lessons","created_at":"2026-03-27","updated_at":"2026-03-27","tags":["compiler","pbs","migration","discussion-framework","lessons","learn-prune"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0018","file":"discussion/lessons/DSC-0007-pbs-learn-to-discussion-lessons-migration/LSN-0018-pbs-ast-and-parser-contract-legacy.md","status":"done","created_at":"2026-03-27","updated_at":"2026-03-27"},{"id":"LSN-0019","file":"discussion/lessons/DSC-0007-pbs-learn-to-discussion-lessons-migration/LSN-0019-pbs-name-resolution-and-linking-legacy.md","status":"done","created_at":"2026-03-27","updated_at":"2026-03-27"},{"id":"LSN-0020","file":"discussion/lessons/DSC-0007-pbs-learn-to-discussion-lessons-migration/LSN-0020-pbs-runtime-values-identity-memory-boundaries-legacy.md","status":"done","created_at":"2026-03-27","updated_at":"2026-03-27"},{"id":"LSN-0021","file":"discussion/lessons/DSC-0007-pbs-learn-to-discussion-lessons-migration/LSN-0021-pbs-diagnostics-and-conformance-governance-legacy.md","status":"done","created_at":"2026-03-27","updated_at":"2026-03-27"},{"id":"LSN-0022","file":"discussion/lessons/DSC-0007-pbs-learn-to-discussion-lessons-migration/LSN-0022-pbs-globals-lifecycle-and-published-entrypoint-legacy.md","status":"done","created_at":"2026-03-27","updated_at":"2026-03-27"}]}
 {"type":"discussion","id":"DSC-0008","status":"done","ticket":"pbs-low-level-asset-manager-surface","title":"PBS Low-Level Asset Manager Surface for Runtime AssetManager","created_at":"2026-03-27","updated_at":"2026-03-27","tags":["compiler","pbs","runtime","asset-manager","host-abi","stdlib","asset"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0023","file":"discussion/lessons/DSC-0008-pbs-low-level-asset-manager-surface/LSN-0023-lowassets-runtime-aligned-sdk-surface.md","status":"done","created_at":"2026-03-27","updated_at":"2026-03-27"}]}
--- a/discussion/lessons/DSC-0038-studio-packer-rgba8888-asset-pipeline/LSN-0053-rgba8888-is-the-canonical-studio-packer-palette-contract.md
+++ b/discussion/lessons/DSC-0038-studio-packer-rgba8888-asset-pipeline/LSN-0053-rgba8888-is-the-canonical-studio-packer-palette-contract.md
@ -1,108 +0,0 @@
 ---
 id: LSN-0053
 ticket: studio-packer-rgba8888-asset-pipeline
 title: RGBA8888 Is the Canonical Studio and Packer Palette Contract
 created: 2026-07-14
 tags:
  - studio
  - packer
  - assets
  - glyph-bank
  - palette
  - rgba8888
  - runtime-alignment
 ---
 # RGBA8888 Is the Canonical Studio and Packer Palette Contract
 ### Original Problem
 The runtime moved to RGBA8888 as the canonical logical color and framebuffer
 format, but Studio and packer still treated glyph-bank palettes as RGB565-era
 data. The old pipeline exposed `convertedRgb565`, preserved ARGB as normal
 projected metadata, reserved palette index `0` for transparency, flattened or
 discarded alpha semantics, and carried magenta color-key behavior as a hidden
 transparency shortcut.
 That made the asset pipeline ambiguous. A glyph-bank asset could look valid to
 Studio while still carrying palette data that no longer matched the runtime
 contract.
 ### Consolidated Decision
 `GLYPH/indexed_v1` remains the runtime-facing format name and keeps its
 indexed/paletized glyph-bank identity. The incompatible change is inside the
 palette contract:
 1. `rgba8888` is the canonical authored, projected, and emitted palette field.
 2. RGBA8888 values are interpreted as `0xRRGGBBAA` in runtime channel order.
 3. Java `BufferedImage` ARGB values are input-only host API details and must be
   converted deliberately at the packer boundary.
 4. Palette index `0` is ordinary. Glyph palettes have 16 usable entries.
 5. Transparency, including partial transparency, is represented only by alpha.
 6. Magenta color-key behavior is not a normal Studio or packer feature.
 7. RGB565 is not a compatibility path for runtime-facing glyph-bank palettes.
 ### Implementation Result
 The packer specs now define glyph-bank palette metadata with `rgba8888`, and
 the binary `GLYPH/indexed_v1` payload uses a `64 * 16 * 4 = 4096` byte palette
 block instead of the old `64 * 16 * 2 = 2048` byte RGB565 block.
 The packer palette model now carries canonical RGBA8888 values. Image import
 converts Java ARGB pixels into runtime RGBA values before palette extraction,
 and palette identity includes alpha. This allows transparent and partially
 transparent colors to be distinct palette entries.
 Packer read, detail, write, and cache paths now use `rgba8888` as the normal
 metadata contract. Emission writes palette bytes in `R`, `G`, `B`, `A` order
 and no longer emits a synthetic magenta entry for index `0`.
 Tests and fixtures were updated to prove the new contract: RGBA channel order,
 alpha preservation, 16 usable colors, index `0` as ordinary data, magenta as
 ordinary color data, and 4096-byte palette blocks. Final validation confirmed
 that remaining stale-looking references are either normative "not supported"
 statements, historical discussion context, or explicitly out-of-scope generated
 project cache data.
 ### Practical Pattern
 When a host API exposes color in a different layout than the runtime contract,
 name the boundary explicitly and keep the canonical field runtime-oriented.
 For this pipeline:
 - accept host ARGB only at import/read time;
 - convert to RGBA8888 before storing palette metadata;
 - project `rgba8888` to Studio and packer clients;
 - emit RGBA bytes directly into `assets.pa`;
 - convert back to UI-friendly ARGB only inside presentation code.
 This keeps tooling convenient without letting host representation leak into the
 runtime asset contract.
 ### Common Pitfalls and Anti-patterns
 - Do not treat `originalArgb8888` as canonical pipeline data. ARGB can be a UI
  or image-input representation, but `rgba8888` owns the contract.
 - Do not reintroduce `convertedRgb565` as a normal projected field or emitted
  payload. RGB565 compatibility was deliberately rejected for this path.
 - Do not reserve palette index `0` for transparency. Alpha owns transparency.
 - Do not use magenta as a hidden color key. A magenta RGBA value is just color
  data unless an explicit future import tool defines a separate conversion.
 - Do not change scene `palette_id` semantics as part of color-format work.
  Scene records still reference glyph-bank palette indices.
 - Do not fold `DSC-0005` variable palette-count work into RGBA8888 cleanup.
  Palette encoding changed here; palette-count optimization remains separate.
 ### References
 - `DEC-0037`: Studio and Packer RGBA8888 Asset Pipeline Contract.
 - `PLN-0081`: Packer and Studio spec propagation.
 - `PLN-0082`: Palette model and ARGB conversion boundary.
 - `PLN-0083`: Glyph payload emission and size accounting.
 - `PLN-0084`: Packer projections and workspace APIs.
 - `PLN-0085`: Tests, fixtures, and conformance updates.
 - `PLN-0086`: Final integration and residue removal.
 - `docs/specs/packer/3. Asset Declaration and Virtual Asset Contract Specification.md`.
 - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`.
 - `docs/specs/studio/4. Assets Workspace Specification.md`.
--- a/discussion/workflow/agendas/AGD-0005-variable-tile-bank-palette-serialization.md
+++ b/discussion/workflow/agendas/AGD-0005-variable-tile-bank-palette-serialization.md
@ -1,185 +1,87 @@
 ---
 id: AGD-0005
 ticket: variable-tile-bank-palette-serialization
-title: Variable Glyph Bank Palette Serialization
+title: Variable Tile Bank Palette Serialization
-status: accepted
+status: open
 created: 2026-03-26
-resolved: 2026-07-14
+resolved:
-decision: DEC-0038
+decision:
 tags:
  - packer
  - legacy-import
-  - glyph-bank
+  - tile-bank
  - palette-serialization
-  - rgba8888
+  - versioning
  - runtime-alignment
 ---
 ## Pain
-Domain owner: `packer`, with runtime-facing impact through `assets.pa`.
+The current tile-bank contract serializes a fixed block of `64` palettes in v1 even when an asset authors far fewer palettes.
-The current `GLYPH/indexed_v1` glyph-bank contract serializes a fixed block of
+That keeps decoding simple, but it wastes cartridge space and leaves the system with a deliberate mismatch between authored and serialized palette counts.
 `64` palettes even when an asset authors far fewer palettes.
 After `DSC-0038`, each palette entry is RGBA8888, so the fixed palette block is
 now `64 * 16 * 4 = 4096` bytes. That keeps decoding simple, but it wastes
 cartridge space and leaves a deliberate mismatch between authored palette count
 and serialized palette count.
 ## Context
 Legacy source: `docs/packer/agendas/Variable Tile Bank Palette Serialization Agenda.md`
 Domain owner: `docs/packer`
 Cross-domain dependency:
 - runtime
-Runtime follow-up:
+Current aligned v1 contract:
 - `../runtime/discussion/workflow/decisions/DEC-0041-variable-glyph-bank-palette-protocol.md`
  is accepted and normative for the runtime side.
 - Runtime `DSC-0046` keeps `GLYPH/indexed_v1`, adopts variable glyph-bank
  palette serialization, and treats this as an incompatible v1 correction.
 - Runtime plans `PLN-0167` through `PLN-0172` are done and publish the
  downstream handoff.
 Current runtime-owned `GLYPH/indexed_v1` contract:
 - pixels are serialized as packed `u4`;
- palettes are serialized as RGBA8888 values in runtime `R`, `G`, `B`, `A`
+- palettes are serialized as `RGB565 u16`;
-  byte order;
+- `palette_count = 64`;
- `palette_count` is the number of serialized and resident palettes;
+- payload size includes a fixed `64 * 16 * 2` palette block.
 - `palette_count` must be in `1..=64`;
 - payload size includes exactly `palette_count * 16 * 4` palette bytes;
 - palette index `0` is ordinary;
 - each palette has 16 usable colors;
 - transparency is represented by alpha, not by a reserved index or magenta
  color-key;
 - resident runtime memory materializes exactly `palette_count` palettes;
 - `palette_id` is a direct palette identity inside the loaded glyph bank and is
  valid only when `palette_id < palette_count`;
 - sparse-to-dense palette remapping is not part of v1;
 - missing palettes must fail explicitly in scene/sprite/composer use, not
  silently resolve to a default color.
-Downstream producers must emit:
+The packer now exposes:
- root effective metadata fields `tile_size`, `width`, `height`, and
+- `metadata.palette_count = 64`
-  `palette_count`;
+- `metadata.palette_authored = <actual authored count>`
 - `size = ceil(width * height / 2) + palette_count * 16 * 4`;
 - `decoded_size = width * height + palette_count * 16 * 4`;
 - exactly `palette_count * 16 * 4` RGBA8888 palette bytes;
 - no `GLYPH/indexed_v2` payload for this change;
 - no fixed 64-palette padding unless `palette_count = 64` and the payload
  directly satisfies the runtime v1 contract;
 - no effective runtime behavior based on `palette_authored`.
 `DSC-0038` intentionally did not solve variable palette-count serialization.
 It changed the color encoding from RGB565-era semantics to RGBA8888 and kept
 the fixed 64-palette model stable for that wave.
 Runtime `DEC-0041` now closes the cross-domain protocol questions that this
 agenda previously carried as open. The remaining Studio/packer work is
 downstream alignment with the runtime-owned contract.
 ## Open Questions
- [x] Should variable palette serialization arrive as a new payload version or
+- [ ] Should variable palette serialization arrive as a new payload version or as an incompatible change to the current one?
-  as an incompatible change to the current one?
+- [ ] If `palette_count` becomes variable, should runtime still materialize a 64-slot resident bank, or truly shrink in-memory representation too?
-  - Runtime `DEC-0041` resolves this as an incompatible correction to
+- [ ] Should sparse authored palette indices remain sparse in serialization, or be canonicalized into a dense runtime block?
-    `GLYPH/indexed_v1`, with no v2 format.
+- [ ] Which domain owns compatibility for existing cartridges: `packer`, `runtime`, or `shipper`?
 - [x] If `palette_count` becomes variable, should runtime still materialize a
  64-slot resident bank, or truly shrink in-memory representation too?
  - Runtime `DEC-0041` resolves this: resident runtime memory materializes
    exactly `palette_count` palettes.
 - [x] Should sparse authored palette indices remain sparse in serialization, or
  be canonicalized into a dense runtime block?
  - Runtime `DEC-0041` rejects sparse-to-dense remapping. `palette_id` remains
    direct identity inside the loaded glyph bank.
 - [x] Should this repository create the owner agenda/decision for the runtime
  side, or should a matching runtime `discussion/` artifact be opened before
  implementation planning?
  - Runtime `DSC-0046` now owns the protocol through accepted `DEC-0041`.
    Studio/packer must follow that handoff.
 - [x] Which domain owns compatibility for existing cartridges: `packer`,
  `runtime`, or `shipper`?
  - Runtime `DEC-0041` introduces no compatibility mode. Old payloads with
    `palette_count = 64` remain valid only when they satisfy the new contract
    directly.
 ## Options
-### Option A - Keep fixed 64-palette serialization in v1
+### Option A - Keep fixed 64-palette serialization
 - **Approach:** Preserve the current fixed v1 payload with zero-filled unused palette slots.
 - **Pro:** No runtime change and current specs/tests remain stable.
- **Con:** Every glyph bank keeps paying the full 4096-byte palette cost.
+- **Con:** Every glyph bank keeps paying the full palette cost.
 - **Maintainability:** Medium.
-### Option B - Align packer output with runtime variable palette serialization
+### Option B - Move to variable palette serialization now
- **Approach:** Keep the `GLYPH/indexed_v1` format name, serialize only
+- **Approach:** Serialize only authored palettes and shrink payload size immediately.
-  `palette_count` palettes, and make packer metadata, payload sizes, fixtures,
+- **Pro:** Better cartridge efficiency and tighter semantics for `palette_count`.
-  and Studio projections follow runtime `DEC-0041`.
+- **Con:** Reopens a just-stabilized cross-domain runtime contract and forces compatibility decisions now.
- **Pro:** Removes fixed padding while the project is still in v1, keeps the
+- **Maintainability:** Medium if done carefully, risky if done incidentally.
  public format vocabulary stable, and makes runtime metadata match the payload.
 - **Con:** Requires coordinated packer/spec/test changes and fixture
  regeneration because the current producer still emits the old fixed-padding
  shape.
 - **Maintainability:** Strong if implemented as an explicit contract update,
  weak if done as an incidental size tweak. Runtime has already closed the
  protocol questions.
-### Option C - Keep fixed external metadata but trim trailing palettes
+### Option C - Keep v1 fixed and design variable serialization for v2
- **Approach:** Keep some 64-slot assumptions in metadata or runtime memory, but
+- **Approach:** Preserve v1 stability now and open a later versioned follow-up for variable palette serialization.
-  serialize only a shortened trailing subset of palettes in the payload.
+- **Pro:** Keeps current work stable while preserving a clean path for future optimization.
- **Pro:** Can reduce cartridge size while limiting some runtime changes.
+- **Con:** Known waste remains in v1.
- **Con:** Creates a split-brain contract where serialized count, logical count,
+- **Maintainability:** Strong.
  and resident count can disagree.
 - **Maintainability:** Weak. It preserves the ambiguity this agenda is trying
  to remove.
 ## Discussion
-The retained concern is still valid after `DSC-0038`, but runtime `DEC-0041`
+The retained agenda recommendation is already clear: the waste is real, but it is not a correctness bug, and reopening the runtime-facing contract immediately would mix optimization work into a freshly stabilized path.
 has now closed the protocol. The problem is no longer an open cross-domain
 design question; it is a downstream producer-alignment task for Studio/packer.
-The old recommendation favored a versioned follow-up because compatibility and
+That makes versioned follow-up a cleaner vehicle than incidental mutation of the current contract.
 runtime stability were treated as constraints. Runtime `DEC-0041` removes that
 constraint: the project is still in v1, keeps `GLYPH/indexed_v1`, and does not
 need compatibility for the old fixed 64-palette payload.
 That makes Option B the required direction for this repository. Runtime already
 changed the contract directly; Studio/packer must now emit the runtime-owned
 shape and stop treating `palette_authored` or the old 64-padding model as
 effective runtime behavior.
 Option C should be avoided because it preserves multiple meanings for palette
 count. If the payload becomes variable, `palette_count` should mean the number
 of serialized palettes, not an unrelated fixed resident capacity.
 ## Resolution
-Recommended direction: adopt **Option B**.
+Recommended direction: adopt **Option C**.
-Updated recommendation:
+Imported retained recommendation:
-1. keep the format name `GLYPH/indexed_v1`;
+1. keep the current fixed 64-palette contract for v1;
-2. follow runtime `DEC-0041` as the protocol authority;
+2. if variable serialization is desired, design it explicitly as a versioned follow-up;
-3. remove the fixed 64-palette payload block from packer output;
+3. treat compatibility, runtime representation, and sparse-vs-dense palette identity as explicit next-wave questions rather than silent payload tweaks.
 4. make packer `palette_count` describe the serialized and resident RGBA8888
   palette count;
 5. emit exactly `palette_count * 16 * 4` palette bytes;
 6. update `size` and `decoded_size` formulas to use variable `palette_count`;
 7. do not create a v2 format solely for this change;
 8. do not preserve compatibility with the old fixed-padding payload;
 9. do not introduce sparse-to-dense palette remapping metadata;
 10. treat `palette_authored` as informative only unless a later runtime
    decision promotes it to effective metadata;
 11. add downstream fixture coverage for `palette_count = 1`, an intermediate
    count, and `palette_count = 64`;
 12. add a negative producer validation case for metadata/payload mismatch.
-Next step suggestion: convert this agenda into a Studio/packer decision that
+Next step suggestion: if the team wants to remove the fixed padding, open the corresponding runtime-side discussion and close the versioning/compatibility story before planning implementation.
 references runtime `DEC-0041` and scopes implementation to specs, packer
 payload emission, Studio projections if needed, tests, and fixtures.
--- a/discussion/workflow/agendas/AGD-0041-studio-packer-rgba8888-asset-pipeline.md
+++ b/discussion/workflow/agendas/AGD-0041-studio-packer-rgba8888-asset-pipeline.md
@ -0,0 +1,273 @@
 ---
 id: AGD-0041
 ticket: studio-packer-rgba8888-asset-pipeline
 title: Agenda - Studio and Packer RGBA8888 Asset Pipeline Alignment
 status: accepted
 created: 2026-05-23
 resolved: 2026-05-23
 decision: DEC-0037
 tags:
  - studio
  - packer
  - assets
  - glyph-bank
  - palette
  - rgba8888
  - runtime-alignment
 ---
 ## Pain
 Domain owner: `studio`, with direct subdomain ownership in `packer` and
 cross-domain dependency on `runtime`.
 The runtime RGBA8888 migration changes the color contract underneath the Studio
 asset pipeline. Runtime `DEC-0029` says RGBA8888 is the single canonical logical
 color and physical framebuffer format, and that asset packages must encode
 palettes as RGBA8888 without preserving RGB565 compatibility.
 Studio still carries RGB565 in the packer-facing asset pipeline:
 - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`
  defines `GLYPH/indexed_v1` palette payloads as `64 * 16 * 2` bytes of
  little-endian `RGB565` values.
 - `PackerPaletteV1` stores both `originalArgb8888` and `convertedRgb565`.
 - `PackerGlyphBankWalker` drops partial alpha, treats alpha 0 and magenta as
  transparent index `0`, stores only RGB identity for palette lookup, and
  converts palette colors to RGB565.
 - `PackerAssetDetailsService`, `PackerReadMessageMapper`, test fixtures, and
  project `asset.json` files expose `convertedRgb565` as normal pipeline data.
 The problem is not only changing one serializer. The Studio/packer side must
 decide how authoring metadata, palette UI/data, emitted `assets.pa`, tests, and
 existing project fixtures align with runtime RGBA channel order and meaningful
 alpha.
 ## Context
 Runtime discussion context:
 - `../runtime/discussion/workflow/agendas/AGD-0037-rgba8888-framebuffer-and-pixel-format-direction.md`
  was consulted as the originating discussion.
 - `../runtime/discussion/workflow/decisions/DEC-0029-rgba8888-runtime-pixel-format-contract.md`
  is accepted and normative for runtime.
 - Runtime plans already split execution across specs, HAL/ABI, renderer,
  asset palettes/tooling, host presentation, and validation.
 Relevant runtime invariants for this Studio discussion:
 - raw color values use RGBA channel order;
 - asset package palettes must be RGBA8888;
 - old RGB565 palette assets are not compatible runtime input;
 - indexed tile/sprite payloads may remain indexed/paletized;
 - transparency is represented by alpha in the resolved palette entry, not by
  reserving palette index `0` as a special transparent index;
 - RGB565 helpers may exist only as temporary migration utilities, not the
  normal runtime path.
 Relevant Studio/packer state:
 - `assets.pa` is the authoritative runtime-facing artifact owned by the packer.
 - `output.pipeline` is tooling-only by default, but current glyph palette data
  lives there and is used by packer details/read flows.
 - `GLYPH/indexed_v1` currently emits a fixed 256x256 packed `u4` pixel plane
  plus a fixed 64-palette RGB565 block.
 - `DSC-0005` is still open around variable tile-bank palette serialization.
  That discussion optimizes fixed-vs-variable palette count. RGBA8888 changes
  the color encoding and transparency semantics first, so it should supersede
  or reframe any RGB565 assumptions before variable palette work continues.
 - Studio scene publication currently carries `palette_id` in scene pack
  requests. Scene payload shape is mostly unaffected by color format, but scene
  previews, palette defaults, validation, and any editor-visible palette data
  must remain consistent with the glyph-bank contract.
 ## Open Questions
 - [x] Should Studio keep the runtime-facing format name `GLYPH/indexed_v1` and
  make it an incompatible v1 contract update, or should packer emit a new
  explicit format/version such as `GLYPH/indexed_rgba8888_v1`?
  - Keep `GLYPH/indexed_v1`. The structural change is in palette encoding; the
    remaining glyph payload model stays stable.
 - [x] What is the canonical authoring-side palette field name: keep
  `originalArgb8888`, rename to `rgba8888`, or store structured channel data?
  - Use `rgba8888` unless the decision stage finds a concrete tooling reason to
    choose a more explicit variant.
 - [x] How should Java `BufferedImage` ARGB input be converted to runtime RGBA
  raw values without confusing storage order, JSON numeric representation, or
  signed `int` display in tooling?
  - Convert ARGB input to RGBA output directly at the packer boundary.
 - [x] Does palette index `0` remain an ordinary palette slot immediately, as
  runtime `DEC-0029` requires, or does Studio need a temporary migration step to
  rewrite existing transparent-index assets into alpha-bearing palette entries?
  - Palette index `0` becomes an ordinary palette slot. Glyph palettes therefore
    have 16 usable colors, not 15 plus a reserved transparent index.
 - [x] Should magenta color-key support disappear from Studio authoring now, or
  survive only as an explicit import/conversion helper outside the normal pack
  path?
  - Magenta color-key support should disappear completely.
 - [x] Should partial alpha in PNG tiles become first-class palette data, or
  should the packer still reject/diagnose partial alpha until renderer behavior
  is fully proven?
  - Partial alpha becomes valid palette data now. Existing validations and
    warnings that flatten or reject partial alpha should be removed.
 - [x] Which existing fixtures and sample projects should be regenerated versus
  deleted because they encode RGB565-specific expectations?
  - `main` and `fragments` will be regenerated manually later; they should not
    block the Studio/packer decision.
 - [x] How should this agenda relate to `DSC-0005`: close it as superseded,
  revise it after RGBA8888, or keep it open as a later palette-count
  optimization?
  - `DSC-0005` remains a later step. RGBA8888 should not absorb variable
    palette-count serialization.
 ## Options
 ### Option A - Minimal serializer swap inside current names
 - **Approach:** Keep current public names and `GLYPH/indexed_v1`, replace the
  palette block with fixed `64 * 16 * 4` RGBA8888 entries, remove
  `convertedRgb565`, and update tests/specs in place.
 - **Pro:** Smallest naming churn and likely the fastest path to unblock runtime
  asset decode.
 - **Con:** The `v1` label would silently change binary meaning, which is risky
  for fixtures, docs, and any stale build output.
 - **Maintainability:** Medium. Fast, but it relies on the repository accepting a
  coordinated breaking change with no compatibility ambiguity.
 ### Option B - Explicit RGBA8888 glyph payload format
 - **Approach:** Add an explicit runtime-facing glyph format/version for the
  RGBA8888 palette payload, retire RGB565 output from the normal pack path, and
  update asset declarations, specs, materialization, tests, fixtures, and sample
  projects to the new format.
 - **Pro:** Makes the breaking contract visible in file format names, tests, and
  diagnostics while still obeying the runtime decision not to support RGB565 as
  compatible input.
 - **Con:** More code and fixture churn; requires clear migration handling for
  stale project declarations and generated build artifacts.
 - **Maintainability:** Strong. The format boundary becomes explicit and easier
  to audit.
 ### Option C - Broaden the wave into full palette model redesign
 - **Approach:** Use the RGBA8888 migration to redesign palette count, sparse vs
  dense indices, material palettes, import/export, alpha authoring UI, and scene
  palette defaults in one decision.
 - **Pro:** Could produce a cleaner long-term asset model and resolve `DSC-0005`
  at the same time.
 - **Con:** Mixes a mandatory runtime alignment with optional model improvements,
  increasing risk and delaying the renderer/asset migration.
 - **Maintainability:** Weak for this wave. Better reserved for follow-up after
  the RGBA8888 contract is stable.
 ## Discussion
 The discussion converged toward an in-place `GLYPH/indexed_v1` structural
 update rather than a new format name. This keeps the glyph-bank identity stable:
 indexed pixels, fixed emitted sheet shape, scene `palette_id` references, and
 the broad runtime glyph-bank model remain the same. The incompatible change is
 the palette block and palette metadata moving from RGB565-derived values to raw
 RGBA8888.
 The authoring/read projection should expose `rgba8888` as the canonical palette
 field. Java image inputs may still arrive as ARGB through `BufferedImage`, but
 that is an input representation only. The packer boundary converts ARGB to
 runtime RGBA and the rest of the pipeline should speak RGBA8888.
 Palette index `0` is no longer special. It becomes a normal usable palette
 entry, which gives glyph palettes 16 usable colors. Transparency comes from the
 alpha byte in the RGBA8888 palette value. As a consequence, the old magenta
 color-key behavior should be removed completely, not retained as a normal
 authoring shortcut or hidden compatibility rule.
 Partial alpha is valid data in this model. The packer should preserve it in the
 palette instead of warning, flattening, or rejecting it. Existing validations
 around partial alpha and the 15-color limit are therefore stale and should be
 rewritten around the new 16-entry RGBA palette contract.
 Existing sample projects and fixtures that still carry RGB565 assumptions are
 not part of the discussion blocker. `main` and `fragments` will be regenerated
 later. `DSC-0005` remains a separate future discussion for palette-count
 serialization and should not be folded into this RGBA8888 wave.
 ## Tradeoffs
 ### Compatibility vs explicit break
 Runtime `DEC-0029` already rejects RGB565 compatibility for this migration.
 Studio therefore should not preserve RGB565 input as a normal path. The open
 tradeoff is whether the packer should make the break visible through a new
 format/version or simply mutate the existing v1 meaning.
 ### Authoring convenience vs runtime truth
 Java image tooling naturally reads pixels as ARGB ints. Runtime wants raw RGBA
 channel order. Studio can keep ARGB only as an import-side implementation detail,
 but packer output, public metadata, and tests need one unambiguous RGBA8888
 representation.
 ### Indexed art identity vs alpha semantics
 The indexed/palette model can remain. What changes is that every palette entry,
 including index `0`, should be a real RGBA color. Transparent pixels should be
 encoded by alpha, not by a hardwired index rule or magenta color key.
 ### Scope control vs complete cleanup
 It is tempting to combine RGBA8888 with variable palette serialization from
 `DSC-0005`. That should be resisted unless the decision explicitly expands
 scope. RGBA8888 changes bytes per palette entry and transparency semantics;
 palette count optimization is a separate axis.
 ## Recommendation
 Adopt a refined Option A.
 The Studio/packer decision should keep `GLYPH/indexed_v1` as the runtime-facing
 format name, but redefine its palette block and palette metadata around
 RGBA8888. This is an intentional structural break in the palette contract, not
 a new glyph-bank format.
 The recommended shape for the decision is:
 1. emit palette entries as raw RGBA8888 values in runtime RGBA channel order;
 2. replace `convertedRgb565` with canonical `rgba8888` data in authoring and
   read/detail projections;
 3. treat Java/PNG ARGB as an input decoding detail and convert deliberately at
   the packer boundary;
 4. make palette index `0` ordinary, yielding 16 usable palette entries;
 5. represent transparency and partial transparency only through RGBA alpha;
 6. remove magenta color-key behavior completely;
 7. remove partial-alpha flattening/rejection and preserve partial alpha as
   valid palette data;
 8. preserve fixed 64-palette serialization for this wave unless a decision
   explicitly revises `DSC-0005`;
 9. regenerate or rewrite RGB565 fixtures instead of supporting stale RGB565
   assets at runtime.
 ## Next Step
 The agenda is ready to move to decision if the refined recommendation is
 accepted.
 The next artifact should be a Studio/packer decision that references runtime
 `DEC-0029`, leaves `DSC-0005` for a later palette-count step, and defines
 propagation targets for:
 - `docs/specs/packer`;
 - `docs/specs/studio`;
 - `prometeu-packer` models, walkers, serializers, services, fixtures, and
  tests;
 - sample project assets;
 - any Studio asset workspace UI/read projections that expose palette data.
 ## Resolution
 Accepted on 2026-05-23.
 The discussion is closed in favor of decision `DEC-0037`. The accepted
 direction keeps `GLYPH/indexed_v1`, moves its palette contract to RGBA8888,
 uses `rgba8888` as the canonical palette field, makes palette index `0`
 ordinary, removes magenta color-key behavior completely, accepts partial alpha
 as valid palette data, and leaves `DSC-0005` for a later palette-count
 serialization step.
--- a/discussion/workflow/decisions/DEC-0037-studio-packer-rgba8888-asset-pipeline.md
+++ b/discussion/workflow/decisions/DEC-0037-studio-packer-rgba8888-asset-pipeline.md
@ -0,0 +1,228 @@
 ---
 id: DEC-0037
 ticket: studio-packer-rgba8888-asset-pipeline
 title: Studio and Packer RGBA8888 Asset Pipeline Contract
 status: accepted
 created: 2026-05-23
 accepted: 2026-05-23
 ref_agenda: AGD-0041
 plans:
  - PLN-0081
  - PLN-0082
  - PLN-0083
  - PLN-0084
  - PLN-0085
  - PLN-0086
 tags:
  - studio
  - packer
  - assets
  - glyph-bank
  - palette
  - rgba8888
  - runtime-alignment
 ---
 ## Status
 Accepted. Drafted from accepted agenda `AGD-0041` and accepted on
 2026-05-23.
 ## Context
 Runtime `DEC-0029` makes RGBA8888 the canonical logical color representation
 and physical framebuffer format for Prometeu. It also requires asset package
 palettes to use RGBA8888, rejects RGB565 compatibility as normal runtime input,
 and defines transparency through alpha rather than a reserved palette index.
 Studio embeds the packer and owns the asset authoring and publication pipeline
 that emits `assets.pa`. Before this decision, the Studio/packer glyph-bank path
 still carried RGB565 assumptions:
 - `GLYPH/indexed_v1` palette payloads were specified as fixed
  `64 * 16 * 2` RGB565 `u16` values.
 - `PackerPaletteV1` exposed `originalArgb8888` and `convertedRgb565`.
 - `PackerGlyphBankWalker` flattened partial alpha, treated alpha zero and
  magenta as transparent index `0`, limited authored colors to 15 usable
  entries, and converted colors to RGB565.
 - Studio/packer read projections, details APIs, fixtures, and sample assets
  exposed `convertedRgb565` as ordinary pipeline data.
 The runtime decision is already normative for the color contract. This decision
 locks how Studio and packer align their glyph-bank asset pipeline with it.
 ## Decision
 Studio and packer SHALL keep the runtime-facing glyph payload format name
 `GLYPH/indexed_v1`.
 The `GLYPH/indexed_v1` glyph-bank model SHALL remain indexed/paletized. Indexed
 pixel payloads, fixed emitted sheet shape, scene `palette_id` references, and
 the broad glyph-bank identity remain stable.
 The structural change is the palette contract. `GLYPH/indexed_v1` palette data
 MUST move from RGB565-derived values to RGBA8888 values in runtime RGBA channel
 order.
 Packer output, packer metadata, Studio read/detail projections, tests, and
 fixtures MUST stop treating RGB565 as the normal palette representation.
 `convertedRgb565` MUST be removed from the normal authored and projected
 palette contract.
 The canonical authored/projected palette field for this wave SHALL be
 `rgba8888`.
 Java `BufferedImage` and PNG inputs MAY be read as ARGB by host APIs, but ARGB
 is only an input representation. The packer boundary MUST convert ARGB input to
 runtime RGBA8888 output deliberately before emitting or projecting canonical
 palette data.
 Palette index `0` MUST be an ordinary palette index. Glyph palettes SHALL have
 16 usable entries, not 15 usable entries plus a reserved transparent index.
 Transparency and partial transparency MUST be represented only by the alpha
 channel in the RGBA8888 palette value.
 Magenta color-key behavior MUST be removed completely from the normal Studio
 and packer asset pipeline. Magenta MUST NOT remain a hidden compatibility rule,
 normal authoring shortcut, or runtime-facing transparency encoding.
 Partial alpha in PNG/glyph inputs SHALL be valid palette data. Packer behavior
 that warns about, flattens, rejects, or otherwise strips partial alpha MUST be
 removed or rewritten around the RGBA8888 palette contract.
 The fixed 64-palette serialization model remains in scope for this wave unless
 another accepted decision explicitly revises it. `DSC-0005` remains a later
 palette-count serialization discussion and MUST NOT be folded into this
 RGBA8888 migration by implication.
 Existing `main` and `fragments` sample project assets may be regenerated
 manually later. Their regeneration is not a blocker for this decision and MUST
 NOT justify preserving RGB565 compatibility in the packer.
 ## Rationale
 Keeping `GLYPH/indexed_v1` avoids renaming a format whose core identity remains
 the same: indexed glyph pixels resolved through palettes. The incompatible part
 is specifically the palette encoding and transparency semantics.
 Making RGBA8888 the normal packer-side representation aligns Studio with
 runtime `DEC-0029` without introducing a parallel RGB565 compatibility path.
 This keeps the asset pipeline direct: authoring input is normalized once at the
 packer boundary, and emitted runtime artifacts carry the runtime color contract.
 Treating index `0` as ordinary is required because transparency now belongs to
 the alpha channel. This also gives each glyph palette the full 16 authored
 entries available from the indexed payload.
 Removing magenta color-key behavior avoids a second transparency mechanism that
 would conflict with meaningful alpha. Allowing partial alpha preserves source
 image information and supports the broader RGBA8888 renderer direction.
 Keeping fixed 64-palette serialization separates mandatory color-format
 migration from later payload-size optimization. Palette count and sparse/dense
 serialization remain independent questions.
 ## Technical Specification
 ### Runtime-Facing Glyph Payload
 - The format name remains `GLYPH/indexed_v1`.
 - The indexed pixel plane remains packed `u4`.
 - The emitted glyph-bank sheet shape remains unchanged for this wave.
 - The palette block changes from 2-byte RGB565 entries to 4-byte RGBA8888
  entries.
 - The fixed palette block remains `64 * 16` entries for this wave.
 - The byte-size formula for the palette block MUST be updated from
  `64 * 16 * 2` to `64 * 16 * 4`.
 - Size and decoded-size formulas for glyph-bank payloads MUST be updated
  accordingly.
 - Palette bytes MUST be interpreted as runtime RGBA channel order.
 ### Authored and Projected Palette Data
 - Canonical palette data exposed by Studio/packer SHALL use `rgba8888`.
 - `convertedRgb565` SHALL be removed from normal authored pipeline metadata,
  details projections, read projections, fixtures, and tests.
 - `originalArgb8888` SHALL NOT be the canonical field for runtime-facing or
  packer-projected palette data in this wave.
 - ARGB values read from Java image APIs MUST be converted to RGBA8888 before
  entering canonical packer metadata or emitted payloads.
 ### Transparency and Alpha
 - Palette index `0` is ordinary.
 - A glyph palette has 16 usable entries.
 - Alpha `0`, alpha between `1` and `254`, and alpha `255` are all valid
  palette-entry states.
 - Partial alpha MUST be preserved as data.
 - Packer warnings or validations that describe partial alpha as flattened,
  ignored, or unsupported MUST be removed.
 - Color limit validation MUST be rewritten for 16 usable palette entries.
 ### Removed Behaviors
 - RGB565 palette emission is not a normal packer output.
 - RGB565 palette projection is not a normal Studio/packer read or details
  contract.
 - Magenta color-key transparency is not supported in the normal path.
 - Palette index `0` is not reserved for transparency.
 - Runtime asset compatibility with stale RGB565 palette payloads is not a
  Studio/packer requirement for this wave.
 ## Propagation Targets
 ### Specs
 - `docs/specs/packer/3. Asset Declaration and Virtual Asset Contract Specification.md`
 - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`
 - `docs/specs/studio/4. Assets Workspace Specification.md`, if Studio-facing
  palette read/projection behavior is documented there.
 ### Code
 - `prometeu-packer` palette model types.
 - `PackerGlyphBankWalker`.
 - `PackerAssetWalker` glyph-bank size and metadata calculations.
 - `PackerAssetDetailsService`.
 - `PackerReadMessageMapper`.
 - Any packer serializer/materializer that emits `assets.pa` glyph payloads.
 - Studio asset workspace read/detail surfaces that display or depend on
  palette metadata.
 ### Tests and Fixtures
 - Packer glyph-bank walker tests.
 - Asset declaration parser tests that mention `convertedRgb565`.
 - Runtime asset materializer tests.
 - File-system workspace service tests.
 - Fixture `asset.json` files that still declare RGB565-derived palette data.
 - Test expectations for alpha, 16 usable colors, and removed magenta color-key
  behavior.
 `main` and `fragments` project assets are expected to be regenerated manually
 later and are not blockers for this decision.
 ## Constraints
 - This decision MUST NOT introduce an RGB565 compatibility mode.
 - This decision MUST NOT rename the runtime-facing format away from
  `GLYPH/indexed_v1`.
 - This decision MUST NOT change scene `palette_id` semantics except as needed
  to ensure referenced glyph palettes now resolve RGBA8888 entries.
 - This decision MUST NOT decide variable palette-count serialization.
 - This decision MUST NOT close or revise `DSC-0005`; that discussion remains a
  later palette-count optimization track.
 - Any implementation plan derived from this decision MUST preserve all
  normative requirements above unless the user explicitly requests a decision
  revision.
 ## References
 - Agenda: `AGD-0041`
 - Runtime decision: `../runtime/discussion/workflow/decisions/DEC-0029-rgba8888-runtime-pixel-format-contract.md`
 - Related future discussion: `DSC-0005`
 ## Revision Log
 - 2026-05-23: Initial accepted decision from `AGD-0041`.
--- a/discussion/workflow/decisions/DEC-0038-variable-glyph-bank-palette-serialization.md
+++ b/discussion/workflow/decisions/DEC-0038-variable-glyph-bank-palette-serialization.md
@ -1,208 +0,0 @@
 ---
 id: DEC-0038
 ticket: variable-tile-bank-palette-serialization
 title: Variable Glyph Bank Palette Serialization for Studio and Packer
 status: accepted
 created: 2026-07-14
 accepted: 2026-07-14
 ref_agenda: AGD-0005
 plans:
  - PLN-0087
  - PLN-0088
  - PLN-0089
  - PLN-0090
  - PLN-0091
 tags:
  - packer
  - studio
  - glyph-bank
  - palette-serialization
  - rgba8888
  - runtime-alignment
 ---
 ## Status
 Accepted. Drafted from accepted agenda `AGD-0005` and accepted on
 2026-07-14.
 ## Context
 This decision belongs to the `packer` domain, with Studio-facing projection and
 fixture impact. Runtime protocol ownership remains in `../runtime`.
 Studio/packer already aligned glyph-bank colors with RGBA8888 through
 `DSC-0038`. That work kept the `GLYPH/indexed_v1` format name and changed the
 palette color encoding from RGB565-era data to RGBA8888 in runtime channel
 order. It deliberately preserved the fixed 64-palette payload model for that
 wave.
 Runtime `DEC-0041` now changes the authoritative `GLYPH/indexed_v1` contract:
 - `palette_count` is the number of serialized and resident palettes;
 - `palette_count` MUST be in `1..=64`;
 - payloads contain exactly `palette_count * 16 * 4` RGBA8888 palette bytes;
 - `size = ceil(width * height / 2) + palette_count * 16 * 4`;
 - `decoded_size = width * height + palette_count * 16 * 4`;
 - resident runtime memory materializes exactly `palette_count` palettes;
 - `palette_id` is direct identity within the loaded glyph bank and is valid
  only when `palette_id < palette_count`;
 - v1 has no sparse-to-dense palette remapping metadata;
 - this remains `GLYPH/indexed_v1`, not a new v2 payload.
 Studio/packer must now follow that runtime-owned contract as downstream
 producers of runtime-conforming `assets.pa` payloads.
 ## Decision
 Studio and packer SHALL adopt variable glyph-bank palette serialization for
 `GLYPH/indexed_v1`, following runtime `DEC-0041` as the protocol authority.
 Packer MUST stop emitting a fixed 64-palette block for glyph banks unless the
 effective `palette_count` is actually `64`.
 Packer MUST emit exactly `palette_count * 16 * 4` palette bytes for each
 `GLYPH/indexed_v1` glyph-bank payload.
 Packer MUST compute glyph-bank `size` as:
 ```text
 size = ceil(width * height / 2) + palette_count * 16 * 4
 ```
 Packer MUST compute glyph-bank `decoded_size` as:
 ```text
 decoded_size = width * height + palette_count * 16 * 4
 ```
 Packer MUST publish root effective metadata fields required by runtime:
 - `tile_size`
 - `width`
 - `height`
 - `palette_count`
 For `GLYPH/indexed_v1`, `palette_count` MUST describe the number of serialized
 RGBA8888 palettes and the number of resident palettes expected by runtime.
 `palette_count` MUST be in the inclusive range `1..=64`.
 Packer and Studio MUST NOT introduce `GLYPH/indexed_v2` for this change.
 Packer and Studio MUST NOT preserve compatibility with the old fixed-padding
 payload shape as a special mode.
 Packer and Studio MUST NOT introduce sparse-to-dense palette remapping metadata
 for v1.
 `palette_authored`, when present in tooling or pipeline metadata, is
 informative only. It MUST NOT be treated as effective runtime metadata unless a
 later runtime decision promotes it.
 Palette bytes SHALL remain RGBA8888 in runtime `R`, `G`, `B`, `A` byte order.
 Palette index `0` and color index `0` remain ordinary indices. Transparency
 remains represented by the alpha channel of the resolved RGBA8888 color.
 ## Rationale
 Runtime owns the `GLYPH/indexed_v1` wire contract. Once runtime `DEC-0041`
 accepted variable palette serialization, keeping packer output fixed at 64
 palettes would make Studio/packer produce stale runtime payloads.
 Making `palette_count` the effective serialized and resident count removes the
 old mismatch between authored palette count and payload shape. The packer no
 longer needs to pad every glyph bank to 4096 palette bytes unless the bank
 really uses all 64 palettes.
 Keeping the existing format name is correct because the project is still in v1
 and runtime explicitly accepted this as an incompatible v1 correction. A v2
 name would add migration surface without protecting any required compatibility
 contract.
 Rejecting sparse-to-dense remapping keeps `palette_id` direct. Scene, sprite,
 packer output, and runtime lookup all refer to the same palette identity inside
 the loaded glyph bank.
 ## Implications
 ### Specs
 Packer specs MUST be updated so `GLYPH/indexed_v1` no longer describes a fixed
 `64 * 16 * 4 = 4096` palette block as the normal payload shape.
 Packer specs MUST define `palette_count` as the effective serialized palette
 count for glyph banks, constrained to `1..=64`.
 Studio specs MUST be updated only where Studio-facing projections, asset
 details, pack wizard behavior, or fixtures expose the old fixed-padding model.
 ### Code
 Packer payload emission MUST write only `palette_count` palettes.
 Packer payload validation/materialization helpers MUST compute size and decoded
 size from variable `palette_count`.
 Packer metadata projection and Studio-facing read/detail APIs MUST expose the
 runtime-effective `palette_count` correctly.
 Studio code MUST NOT treat `palette_authored` as the runtime-effective count.
 ### Tests and Fixtures
 Tests MUST cover:
 - `palette_count = 1`;
 - an intermediate `palette_count`;
 - `palette_count = 64`;
 - size and decoded-size formulas for variable counts;
 - emitted RGBA8888 palette byte count;
 - metadata/payload mismatch rejection or producer validation.
 Fixtures that encode the old fixed-padding assumption MUST be regenerated or
 updated unless they intentionally use `palette_count = 64` and satisfy the new
 runtime contract directly.
 ### Non-goals
 This decision does not change RGBA8888 channel order.
 This decision does not change the packed `u4` indexed pixel plane.
 This decision does not change scene `palette_id` payload shape.
 This decision does not introduce v2, compatibility branches, or palette
 identity remapping.
 ## Propagation Targets
 - Specs:
  - `docs/specs/packer/3. Asset Declaration and Virtual Asset Contract Specification.md`
  - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`
  - `docs/specs/studio/4. Assets Workspace Specification.md`, if Studio-facing
    palette count projection is documented there.
 - Code:
  - packer glyph-bank payload emission;
  - packer asset walking/materialization;
  - packer read/detail projections;
  - Studio asset details or pack wizard surfaces if they expose palette counts.
 - Tests:
  - packer parser, walker, materializer, workspace service, and fixture tests;
  - Studio tests if Studio projections or UI logic expose palette counts.
 - Docs:
  - downstream implementation plans derived from this decision.
 ## References
 - Agenda: `AGD-0005`
 - Runtime decision:
  `../runtime/discussion/workflow/decisions/DEC-0041-variable-glyph-bank-palette-protocol.md`
 - Runtime handoff:
  `../runtime/discussion/workflow/plans/PLN-0172-runtime-spec-handoff-to-packer-and-studio.md`
 - Prior Studio/packer RGBA8888 lesson:
  `discussion/lessons/DSC-0038-studio-packer-rgba8888-asset-pipeline/LSN-0053-rgba8888-is-the-canonical-studio-packer-palette-contract.md`
 ## Revision Log
 - 2026-07-14: Initial accepted decision from `AGD-0005`, aligned with runtime
  `DEC-0041`.
--- a/discussion/workflow/plans/PLN-0081-rgba8888-packer-and-studio-spec-propagation.md
+++ b/discussion/workflow/plans/PLN-0081-rgba8888-packer-and-studio-spec-propagation.md
@ -0,0 +1,136 @@
 ---
 id: PLN-0081
 ticket: studio-packer-rgba8888-asset-pipeline
 title: RGBA8888 Packer and Studio Spec Propagation
 status: done
 created: 2026-05-23
 completed: 2026-05-23
 ref_decisions:
  - DEC-0037
 tags:
  - specs
  - packer
  - studio
  - rgba8888
 ---
 ## Objective
 Propagate `DEC-0037` into the normative Studio and packer specifications before
 code implementation starts.
 ## Background
 `DEC-0037` keeps `GLYPH/indexed_v1` but changes its palette contract from
 RGB565 to RGBA8888. Specs currently still describe RGB565 palette bytes,
 `convertedRgb565`, and a 2048-byte palette block.
 ## Scope
 ### Included
 - Update packer specs for `asset.json` palette metadata and `assets.pa`
  glyph-bank payload layout.
 - Update Studio asset workspace specs if they expose palette metadata or
  details/read projection behavior.
 - Preserve the fixed 64-palette model and explicitly leave `DSC-0005` for a
  later palette-count optimization.
 ### Excluded
 - Code changes.
 - Test changes.
 - Variable palette-count serialization.
 - Runtime spec changes, except references to runtime `DEC-0029`.
 ## Execution Steps
 ### Step 1 - Update asset declaration palette fields
 **What:** Replace `originalArgb8888`/`convertedRgb565` examples and rules with
 canonical `rgba8888`.
 **How:** Edit the palette portions of the asset declaration spec so
 `output.pipeline.palettes[*].palette.rgba8888` is the canonical field. State
 that ARGB may be an input API detail but is not canonical authored/projected
 palette data.
 **File(s):**
 - `docs/specs/packer/3. Asset Declaration and Virtual Asset Contract Specification.md`
 ### Step 2 - Update glyph-bank payload layout
 **What:** Change `GLYPH/indexed_v1` palette layout from RGB565 to RGBA8888.
 **How:** Keep the format name. Change the palette block from
 `64 * 16 * 2 = 2048` bytes to `64 * 16 * 4 = 4096` bytes. Update size and
 decoded-size formulas. State that palette entries use runtime RGBA channel
 order.
 **File(s):**
 - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`
 ### Step 3 - Document alpha and index semantics
 **What:** Document that palette index `0` is ordinary and all 16 palette entries
 are usable.
 **How:** Add normative rules that transparency and partial transparency are
 encoded only by RGBA alpha, magenta color-key is removed, and partial alpha is
 valid palette data.
 **File(s):**
 - `docs/specs/packer/3. Asset Declaration and Virtual Asset Contract Specification.md`
 - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`
 ### Step 4 - Update Studio-facing projection rules
 **What:** Ensure Studio-facing docs use `rgba8888` where palette metadata is
 visible.
 **How:** Update asset workspace language only where it describes palette read,
 details, scene preview, or palette default behavior. Keep scene `palette_id`
 semantics unchanged.
 **File(s):**
 - `docs/specs/studio/4. Assets Workspace Specification.md`
 ## Test Requirements
 ### Unit Tests
 - Not applicable for this spec-only plan.
 ### Integration Tests
 - Not applicable for this spec-only plan.
 ### Manual Verification
 - Search specs for stale `RGB565`, `convertedRgb565`, 2048-byte palette block,
  reserved index `0`, and magenta color-key language.
 ## Acceptance Criteria
 - [x] Packer specs define `rgba8888` as the canonical palette field.
 - [x] `GLYPH/indexed_v1` remains named exactly that.
 - [x] Palette block formulas use `64 * 16 * 4 = 4096`.
 - [x] Specs state palette index `0` is ordinary and all 16 entries are usable.
 - [x] Specs state partial alpha is valid and magenta color-key is removed.
 - [x] Specs leave `DSC-0005` variable palette-count work out of scope.
 ## Dependencies
 - Depends on accepted `DEC-0037`.
 - Should complete before code plans are implemented.
 ## Risks
 - Leaving stale RGB565 examples in specs will make implementation review
  ambiguous.
 - Over-editing scene specs could accidentally imply a scene payload change that
  `DEC-0037` does not authorize.
--- a/discussion/workflow/plans/PLN-0082-rgba8888-palette-model-and-argb-conversion.md
+++ b/discussion/workflow/plans/PLN-0082-rgba8888-palette-model-and-argb-conversion.md
@ -0,0 +1,144 @@
 ---
 id: PLN-0082
 ticket: studio-packer-rgba8888-asset-pipeline
 title: RGBA8888 Palette Model and ARGB Conversion
 status: done
 created: 2026-05-23
 completed: 2026-05-23
 ref_decisions:
  - DEC-0037
 tags:
  - packer
  - palette
  - rgba8888
  - conversion
 ---
 ## Objective
 Replace the packer palette model with canonical RGBA8888 data and introduce a
 single deliberate ARGB-to-RGBA conversion boundary for image inputs.
 ## Background
 `PackerPaletteV1` currently stores `originalArgb8888` and `convertedRgb565`.
 `PackerGlyphBankWalker` reads Java ARGB pixels, drops alpha semantics, reserves
 index `0`, applies magenta color-key, and converts colors to RGB565.
 ## Scope
 ### Included
 - Replace `PackerPaletteV1` fields with canonical `rgba8888`.
 - Add or localize ARGB-to-RGBA conversion helpers.
 - Preserve partial alpha.
 - Remove RGB565 conversion from the normal palette model.
 - Expand glyph palette extraction from 15 to 16 usable colors.
 ### Excluded
 - Binary `assets.pa` emission changes.
 - Read/detail API projection changes outside direct model compile fixes.
 - Spec edits.
 - Fixture regeneration for `main` and `fragments`.
 ## Execution Steps
 ### Step 1 - Replace the palette record
 **What:** Change the packer palette model to carry canonical RGBA8888 values.
 **How:** Replace `int[] originalArgb8888, short[] convertedRgb565` with
 `int[] rgba8888`. Keep the record name only if it remains semantically useful;
 otherwise rename only if all callers are updated in the same change.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/models/PackerPaletteV1.java`
 ### Step 2 - Convert ARGB image pixels to RGBA
 **What:** Introduce one conversion path from Java `BufferedImage` ARGB to raw
 runtime RGBA.
 **How:** Convert `0xAARRGGBB` to `0xRRGGBBAA` when building palette entries.
 Do not store ARGB in canonical packer metadata.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerGlyphBankWalker.java`
 ### Step 3 - Remove magenta color-key and reserved index behavior
 **What:** Stop treating alpha zero or magenta as special palette-index behavior.
 **How:** Remove `COLOR_KEY_RGB`. Build palette identity from full RGBA8888
 values, including alpha. Assign indices from `0` through `15`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerGlyphBankWalker.java`
 ### Step 4 - Preserve partial alpha
 **What:** Remove partial-alpha warnings and flattening.
 **How:** Delete the `partialAlphaFound` warning path. Ensure pixels with alpha
 from `0` through `255` participate in palette extraction by full RGBA value.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerGlyphBankWalker.java`
 ### Step 5 - Update color-limit validation
 **What:** Change validation from 15 usable colors to 16 usable colors.
 **How:** Replace `MAX_COLORS_PER_PALETTE = 15` with a 16-entry limit and update
 diagnostic wording to remove `indices 1..15`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerGlyphBankWalker.java`
 ## Test Requirements
 ### Unit Tests
 - Update `PackerGlyphBankWalkerTest` to assert:
  - 16 unique RGBA colors are valid.
  - a 17th unique RGBA color is blocking.
  - alpha `0`, partial alpha, and alpha `255` are preserved.
  - magenta is treated as an ordinary color.
  - palette index `0` can hold an ordinary color.
 ### Integration Tests
 - None for this plan; binary emission is covered by a later plan.
 ### Manual Verification
 - Search packer model and glyph walker sources for `convertedRgb565`,
  `originalArgb8888`, `COLOR_KEY_RGB`, `convertToRgb565`, and partial-alpha
  warning text.
 ## Acceptance Criteria
 - [x] `PackerPaletteV1` exposes `rgba8888` and no RGB565 field.
 - [x] `PackerGlyphBankWalker` stores canonical RGBA values.
 - [x] Magenta is not special.
 - [x] Alpha zero and partial alpha are valid palette data.
 - [x] All 16 palette indices are usable.
 - [x] Unit tests cover conversion and palette indexing semantics.
 ## Dependencies
 - Depends on `PLN-0081` for spec wording.
 - Must complete before payload emission and projection plans.
 ## Risks
 - Confusing Java ARGB input with runtime RGBA output will create hard-to-debug
  byte-order failures.
 - Cache reuse may keep stale palette metadata if reusable metadata checks are
  not updated with the model change.
--- a/discussion/workflow/plans/PLN-0083-rgba8888-glyph-payload-emission-and-sizes.md
+++ b/discussion/workflow/plans/PLN-0083-rgba8888-glyph-payload-emission-and-sizes.md
@ -0,0 +1,145 @@
 ---
 id: PLN-0083
 ticket: studio-packer-rgba8888-asset-pipeline
 title: RGBA8888 Glyph Payload Emission and Size Accounting
 status: done
 created: 2026-05-23
 completed: 2026-05-23
 ref_decisions:
  - DEC-0037
 tags:
  - packer
  - assets-pa
  - glyph-bank
  - rgba8888
 ---
 ## Objective
 Change packer glyph-bank runtime payload emission from RGB565 palette bytes to
 RGBA8888 palette bytes while keeping `GLYPH/indexed_v1` and the fixed
 64-palette model.
 ## Background
 `DEC-0037` requires `GLYPH/indexed_v1` to retain its format name and indexed
 model but emit RGBA8888 palette entries. Current payload emission in
 `FileSystemPackerWorkspaceService` writes RGB565 bytes, reserves index `0`, and
 uses color-key bytes.
 ## Scope
 ### Included
 - Update glyph-bank payload palette byte emission.
 - Update measured payload size and decoded-size accounting.
 - Remove RGB565 palette constants and palette color-key bytes from emission.
 - Keep scene `palette_id` payload semantics unchanged.
 ### Excluded
 - Palette model extraction changes covered by `PLN-0082`.
 - Read/detail projection changes covered by `PLN-0084`.
 - Variable palette count.
 ## Execution Steps
 ### Step 1 - Update glyph payload constants and formulas
 **What:** Change palette entry width from 2 bytes to 4 bytes.
 **How:** Introduce clear constants for palette count, colors per palette, and
 RGBA bytes per color. Use `64 * 16 * 4` for palette block size.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerAssetWalker.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java`
 ### Step 2 - Emit RGBA8888 palette bytes
 **What:** Write each palette color as runtime RGBA channel bytes.
 **How:** Replace RGB565 little-endian writes with four byte writes in `R`, `G`,
 `B`, `A` order derived from the canonical `rgba8888` integer value.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 ### Step 3 - Remove reserved color-key emission
 **What:** Stop writing a synthetic color-key value at palette index `0`.
 **How:** Remove `GLYPH_BANK_COLOR_KEY_RGB565` and any emission path that fills
 index `0` with magenta. Emit declared RGBA values for index `0` like every
 other index.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 ### Step 4 - Update declared palette lookup
 **What:** Read `rgba8888` from declared pipeline metadata.
 **How:** Replace `originalArgb8888`/`convertedRgb565` lookup paths with
 `rgba8888`. Ensure empty or malformed `rgba8888` is structural failure where
 emission requires a palette.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerAssetWalker.java`
 ### Step 5 - Keep scene payload stable
 **What:** Preserve scene `palette_id` layout.
 **How:** Do not change `writeSceneBankPayload` except compile fixes caused by
 shared helper changes. Scene tile records continue carrying `palette_id` as an
 index into the referenced glyph palette.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 ## Test Requirements
 ### Unit Tests
 - Add or update tests asserting glyph payload size includes a 4096-byte palette
  block.
 - Assert emitted palette bytes for a known RGBA value, including alpha.
 - Assert index `0` emits declared RGBA data, not magenta.
 ### Integration Tests
 - Update workspace build tests that read `build/assets.pa` and assert glyph-bank
  offsets/sizes.
 ### Manual Verification
 - Search production packer code for `GLYPH_BANK_COLOR_KEY_RGB565`,
  `convertedRgb565`, RGB565 palette byte writes, and hard-coded `2048`.
 ## Acceptance Criteria
 - [x] Glyph payloads keep `GLYPH/indexed_v1`.
 - [x] Glyph palette blocks are 4096 bytes.
 - [x] Palette entries are emitted as RGBA bytes in runtime channel order.
 - [x] No synthetic magenta/color-key value is emitted.
 - [x] Size and decoded-size metadata match the new payload length.
 - [x] Scene `palette_id` payload shape is unchanged.
 ## Dependencies
 - Depends on `PLN-0082`.
 - Should run before tests/fixture conformance in `PLN-0085`.
 ## Risks
 - Updating size formulas without updating emitted bytes, or vice versa, will
  corrupt payload slicing in `assets.pa`.
 - Accidental scene payload edits could widen the change beyond `DEC-0037`.
--- a/discussion/workflow/plans/PLN-0084-rgba8888-packer-projections-and-workspace-apis.md
+++ b/discussion/workflow/plans/PLN-0084-rgba8888-packer-projections-and-workspace-apis.md
@ -0,0 +1,141 @@
 ---
 id: PLN-0084
 ticket: studio-packer-rgba8888-asset-pipeline
 title: RGBA8888 Packer Projections and Workspace APIs
 status: done
 created: 2026-05-23
 completed: 2026-05-23
 ref_decisions:
  - DEC-0037
 tags:
  - packer
  - studio
  - api
  - rgba8888
 ---
 ## Objective
 Update packer and Studio-facing read/detail/write projections so palette data
 is exposed and accepted as `rgba8888`, with no normal `convertedRgb565` or
 canonical `originalArgb8888` surface.
 ## Background
 `DEC-0037` requires packer metadata, Studio read/detail projections, tests, and
 fixtures to stop treating RGB565 as normal palette data. Several services still
 parse or project `originalArgb8888` and `convertedRgb565`.
 ## Scope
 ### Included
 - Update parser and declaration normalization for palette metadata.
 - Update read/detail mappers.
 - Update palette-overhauling and bank-composition support to emit `rgba8888`.
 - Preserve existing DTO shapes except for palette payload field names.
 ### Excluded
 - Binary payload byte emission.
 - Renderer/runtime changes.
 - Manual regeneration of `main` and `fragments`.
 ## Execution Steps
 ### Step 1 - Update asset declaration parsing
 **What:** Parse canonical `rgba8888` arrays from `asset.json`.
 **How:** Replace palette validation that requires `originalArgb8888` and
 `convertedRgb565` with validation for `rgba8888`. Keep numeric validation.
 Reject malformed or missing `rgba8888` where a palette payload is required.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDeclarationParser.java`
 ### Step 2 - Update details projection
 **What:** Return `rgba8888` from asset details.
 **How:** Change `palettePayloadFromNode` to project `{ index, rgba8888 }`.
 Remove `convertedRgb565` and canonical `originalArgb8888` from details output.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDetailsService.java`
 ### Step 3 - Update read message mapping
 **What:** Map `PackerPaletteV1` and cached palette metadata to `rgba8888`.
 **How:** Replace `originalArgb8888` and `convertedRgb565` mapping with a single
 `rgba8888` array.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerReadMessageMapper.java`
 ### Step 4 - Update workspace write operations
 **What:** Ensure packer write APIs that apply palette changes persist `rgba8888`.
 **How:** Replace palette-overhauling and related write-lane logic that requires
 both `originalArgb8888` and `convertedRgb565` with a `rgba8888` contract.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 ### Step 5 - Update cache reuse and walk projection checks
 **What:** Make cache reuse validate new palette metadata.
 **How:** Replace reusable metadata checks for `originalArgb8888` with
 `rgba8888`. Stale cached RGB565-derived metadata must not be considered
 reusable.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerGlyphBankWalker.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerAssetWalker.java`
 ## Test Requirements
 ### Unit Tests
 - Update parser tests to accept `rgba8888` and reject missing/malformed
  `rgba8888`.
 - Update details service tests to assert `rgba8888`.
 - Update read mapper coverage for `PackerPaletteV1`.
 - Update write operation tests for palette overhauling.
 ### Integration Tests
 - Exercise a workspace read/build flow from `asset.json` using `rgba8888`.
 ### Manual Verification
 - Search `prometeu-packer` for `originalArgb8888` and `convertedRgb565` after
  this plan. Remaining matches must be migration-only or removed in later
  fixture plan.
 ## Acceptance Criteria
 - [x] `asset.json` palette metadata uses `rgba8888`.
 - [x] Details/read projections expose `rgba8888`.
 - [x] Workspace write operations persist `rgba8888`.
 - [x] Stale RGB565-derived cache metadata is not reused as canonical.
 - [x] No normal API requires `convertedRgb565`.
 ## Dependencies
 - Depends on `PLN-0082`.
 - Can run partly in parallel with `PLN-0083` after the palette model is stable.
 ## Risks
 - DTO consumers may assume old map keys. Tests must cover the Studio-facing
  projection boundary.
 - Cache reuse can hide stale behavior if not invalidated by metadata shape.
--- a/discussion/workflow/plans/PLN-0085-rgba8888-tests-fixtures-and-conformance.md
+++ b/discussion/workflow/plans/PLN-0085-rgba8888-tests-fixtures-and-conformance.md
@ -0,0 +1,141 @@
 ---
 id: PLN-0085
 ticket: studio-packer-rgba8888-asset-pipeline
 title: RGBA8888 Tests, Fixtures, and Conformance Updates
 status: done
 created: 2026-05-23
 completed: 2026-05-23
 ref_decisions:
  - DEC-0037
 tags:
  - tests
  - fixtures
  - conformance
  - rgba8888
 ---
 ## Objective
 Update packer tests and fixtures so RGBA8888 is the asserted source of truth and
 RGB565-specific expectations are removed.
 ## Background
 `DEC-0037` requires tests and fixtures to stop proving RGB565 behavior. The code
 base has parser, walker, details, materializer, and workspace service tests that
 mention `convertedRgb565`, `originalArgb8888`, 15-color limits, magenta
 color-key behavior, and RGB565 payload sizes.
 ## Scope
 ### Included
 - Update packer unit tests and integration-style workspace tests.
 - Update fixture `asset.json` files under packer test resources.
 - Add conformance-oriented assertions for RGBA channel order, alpha, index `0`,
  16 usable colors, and removed color-key behavior.
 ### Excluded
 - Manual regeneration of `test-projects/main` and `fragments`.
 - Production code changes except minor compile-fix test helpers.
 - Runtime repository tests.
 ## Execution Steps
 ### Step 1 - Update parser and details tests
 **What:** Replace palette payload fixtures with `rgba8888`.
 **How:** Rewrite test JSON snippets and assertions that mention
 `originalArgb8888` or `convertedRgb565`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerAssetDeclarationParserTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerAssetDetailsServiceTest.java`
 ### Step 2 - Update glyph walker tests
 **What:** Assert new palette extraction semantics.
 **How:** Add image fixtures in tests that cover:
 16 colors, 17-color failure, alpha 0, partial alpha, magenta as ordinary color,
 and index `0` as ordinary.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerGlyphBankWalkerTest.java`
 ### Step 3 - Update materializer and workspace service tests
 **What:** Assert RGBA8888 runtime payload and metadata behavior.
 **How:** Update tests that read `assets.pa`, measured bank size, payload offsets,
 and palette byte expectations. Replace RGB565 byte checks with RGBA byte checks.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerRuntimeAssetMaterializerTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/FileSystemPackerWorkspaceServiceTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerRuntimePatchServiceTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerRuntimeRegistryTest.java`
 ### Step 4 - Update packer fixture assets
 **What:** Replace fixture `asset.json` palette fields with `rgba8888`.
 **How:** Edit packer test fixtures under `src/test/resources/fixtures` so
 canonical palette declarations do not contain `convertedRgb565`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/test/resources/fixtures/**/asset.json`
 ### Step 5 - Add stale-contract guards
 **What:** Add tests or quality checks that catch old RGB565 palette contract
 residue.
 **How:** Add assertions in existing tests or a focused repository quality test
 that normal packer specs/tests/fixtures do not contain `convertedRgb565` or
 RGB565 glyph palette payload expectations.
 **File(s):**
 - Existing packer test suites under `prometeu-packer/prometeu-packer-v1/src/test/java`
 ## Test Requirements
 ### Unit Tests
 - Parser, details, mapper, glyph walker, and workspace service unit tests must
  all pass.
 ### Integration Tests
 - Run the relevant Gradle test task for `prometeu-packer-v1`.
 ### Manual Verification
 - Search for `convertedRgb565`, `originalArgb8888`, `RGB565`, `rgb565`, `2048`,
  and magenta color-key references in packer tests and fixtures.
 ## Acceptance Criteria
 - [x] Tests use `rgba8888` as canonical palette data.
 - [x] Tests assert RGBA channel order and alpha preservation.
 - [x] Tests assert 16 usable palette entries.
 - [x] Tests assert magenta is ordinary or no longer special.
 - [x] Tests assert 4096-byte palette blocks where payload size is checked.
 - [x] Packer test fixtures no longer rely on `convertedRgb565`.
 ## Dependencies
 - Depends on `PLN-0082`, `PLN-0083`, and `PLN-0084`.
 ## Risks
 - Some stale generated fixture data may be easier to regenerate than hand-edit.
 - Overbroad residue checks could flag historical discussion artifacts; scope
  checks to normal specs, code, tests, and fixtures.
--- a/discussion/workflow/plans/PLN-0086-rgba8888-final-integration-and-residue-removal.md
+++ b/discussion/workflow/plans/PLN-0086-rgba8888-final-integration-and-residue-removal.md
@ -0,0 +1,159 @@
 ---
 id: PLN-0086
 ticket: studio-packer-rgba8888-asset-pipeline
 title: RGBA8888 Final Integration and Residue Removal
 status: done
 created: 2026-05-23
 completed: 2026-05-23
 ref_decisions:
  - DEC-0037
 tags:
  - integration
  - validation
  - residue-removal
  - rgba8888
 ---
 ## Objective
 Run final integration checks and remove normal-path RGB565 residue after the
 spec, model, emission, projection, and test plans are implemented.
 ## Background
 `DEC-0037` prohibits RGB565 compatibility mode, normal `convertedRgb565`
 projection, magenta color-key behavior, reserved palette index `0`, and partial
 alpha flattening. Final validation must prove that the repository implements
 those constraints coherently.
 ## Scope
 ### Included
 - Repository-wide residue audit.
 - Full relevant Gradle test execution.
 - Discussion workflow validation.
 - Final implementation notes for follow-up plan or lesson creation.
 ### Excluded
 - New feature design.
 - Runtime repository changes.
 - Variable palette-count work in `DSC-0005`.
 - Manual regeneration of `main` and `fragments`.
 ## Execution Steps
 ### Step 1 - Run focused residue searches
 **What:** Find stale RGB565 palette-contract residue.
 **How:** Search production specs/code/tests/fixtures for:
 `convertedRgb565`, `originalArgb8888`, `RGB565`, `rgb565`, `COLOR_KEY`,
 `magenta`, `2048`, `indices 1..15`, and partial-alpha flattening text.
 Classify each match as removed, historical discussion-only, or out-of-scope.
 **File(s):**
 - `docs/specs/packer/**`
 - `docs/specs/studio/**`
 - `prometeu-packer/**`
 ### Step 2 - Run packer tests
 **What:** Execute the packer test suite.
 **How:** Run the Gradle test task that covers `prometeu-packer-v1` and related
 API modules.
 **File(s):**
 - Gradle modules under `prometeu-packer`
 ### Step 3 - Run broader build validation
 **What:** Verify Studio build integration still compiles.
 **How:** Run the repository's standard build or the narrowest existing Gradle
 task that compiles Studio plus packer consumers.
 **File(s):**
 - Root Gradle project
 - `prometeu-app`
 - `prometeu-packer`
 ### Step 4 - Validate discussion workflow
 **What:** Ensure discussion artifacts remain consistent.
 **How:** Run `discussion validate` after implementation and before any
 housekeeping.
 **File(s):**
 - `discussion/index.ndjson`
 - `discussion/workflow/**`
 ### Step 5 - Record remaining intentional residue
 **What:** Document any allowed remaining RGB565 references.
 **How:** If matches remain only in historical discussions, runtime references,
 or explicit future migration notes, list them in the implementation summary so
 housekeeping and lesson work can distinguish intentional context from missed
 normal-path behavior.
 **File(s):**
 - Implementation summary or future lesson, after code work is complete.
 ## Test Requirements
 ### Unit Tests
 - Packer unit tests must pass.
 ### Integration Tests
 - Packer workspace build/materialization tests must pass.
 - Studio compile/build validation must pass.
 ### Manual Verification
 - Residue search results must contain no normal-path `convertedRgb565`,
  RGB565 glyph palette payload, magenta color-key, reserved index `0`, or
  partial-alpha flattening behavior.
 ## Acceptance Criteria
 - [x] `discussion validate` passes.
 - [x] Packer tests pass.
 - [x] Studio/packer build validation passes.
 - [x] Normal specs/code/tests/fixtures contain no stale RGB565 glyph-palette
  contract residue.
 - [x] Remaining stale-looking matches, if any, are documented as historical or
  explicitly out of scope.
 - [x] `DSC-0005` remains untouched except by explicit future work.
 ## Execution Notes
 - `discussion validate` passed.
 - `./gradlew build` passed.
 - Residue search found only:
  - normative spec statements explicitly saying `convertedRgb565` and magenta
    color-key behavior are not normal contract;
  - `test-projects/main` asset manifests, which are intentionally out of scope
    for this implementation because they will be regenerated manually later.
 - `DSC-0005` was not modified.
 ## Dependencies
 - Depends on `PLN-0081` through `PLN-0085`.
 ## Risks
 - A broad residue search may include historical discussions and cause false
  positives.
 - Generated project cache files may change during tests; those changes must be
  reviewed separately from source edits.
--- a/discussion/workflow/plans/PLN-0087-variable-glyph-palette-spec-propagation.md
+++ b/discussion/workflow/plans/PLN-0087-variable-glyph-palette-spec-propagation.md
@ -1,132 +0,0 @@
 ---
 id: PLN-0087
 ticket: variable-tile-bank-palette-serialization
 title: Variable Glyph Palette Spec Propagation
 status: done
 created: 2026-07-14
 completed: 2026-07-14
 ref_decisions:
  - DEC-0038
 tags:
  - specs
  - packer
  - studio
  - glyph-bank
  - palette-serialization
 ---
 ## Objective
 Propagate `DEC-0038` into the canonical Studio and packer specifications before
 code changes start.
 ## Background
 Runtime `DEC-0041` makes `palette_count` the serialized and resident palette
 count for `GLYPH/indexed_v1`. Studio/packer `DEC-0038` adopts that runtime
 contract downstream. Current packer specs still describe a fixed
 `64 * 16 * 4 = 4096` palette block and `palette_count = 64`.
 ## Scope
 ### Included
 - Update packer specs for glyph-bank metadata, payload layout, and size formulas.
 - Update Studio specs only where Studio-facing palette count projection or asset
  details are documented.
 - Preserve RGBA8888 channel order, packed `u4` pixels, and `GLYPH/indexed_v1`.
 ### Excluded
 - Code changes.
 - Fixture regeneration.
 - Runtime spec changes.
 - Any `GLYPH/indexed_v2` design.
 ## Execution Steps
 ### Step 1 - Update asset declaration metadata rules
 **What:** Define `palette_count` as the effective runtime metadata field.
 **How:** Update glyph-bank declaration language so `palette_count` means the
 number of serialized and resident RGBA8888 palettes, constrained to `1..=64`.
 State that `palette_authored`, if present, is informative and not runtime
 effective.
 **File(s):**
 - `docs/specs/packer/3. Asset Declaration and Virtual Asset Contract Specification.md`
 ### Step 2 - Update glyph payload layout
 **What:** Replace fixed 4096-byte palette block text.
 **How:** Change the layout to `palette_count * 16 * 4` palette bytes and update
 formulas to:
 ```text
 size = ceil(width * height / 2) + palette_count * 16 * 4
 decoded_size = width * height + palette_count * 16 * 4
 ```
 **File(s):**
 - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`
 ### Step 3 - Preserve v1 boundaries
 **What:** Explicitly prohibit v2, compatibility padding, and remapping.
 **How:** Add rules that this remains `GLYPH/indexed_v1`, old fixed-padding is
 not a compatibility mode, and v1 has no sparse-to-dense palette remapping.
 **File(s):**
 - `docs/specs/packer/4. Build Artifacts and Deterministic Packing Specification.md`
 ### Step 4 - Update Studio-facing spec text
 **What:** Align Studio projections if they mention palette count or fixed bank
 shape.
 **How:** Search the Studio asset workspace spec for palette projection, details,
 or pack wizard language and update only stale fixed-count wording.
 **File(s):**
 - `docs/specs/studio/4. Assets Workspace Specification.md`
 ## Test Requirements
 ### Unit Tests
 - Not applicable for this spec-only plan.
 ### Integration Tests
 - Not applicable for this spec-only plan.
 ### Manual Verification
 - Search specs for stale normal-path `palette_count = 64`, `4096`, fixed
  64-palette block, `GLYPH/indexed_v2`, and remapping language.
 ## Acceptance Criteria
 - [x] Packer specs define `palette_count` as runtime-effective `1..=64`.
 - [x] Packer specs use variable palette byte and size formulas.
 - [x] Specs keep `GLYPH/indexed_v1` and reject v2 for this change.
 - [x] Specs reject fixed-padding compatibility and sparse-to-dense remapping.
 - [x] Studio specs contain no stale fixed 64-palette projection wording.
 ## Dependencies
 - Depends on accepted `DEC-0038`.
 - Should complete before code plans.
 ## Risks
 - Leaving stale fixed 4096-byte examples will make implementation review
  ambiguous.
 - Over-editing Studio specs could imply UI behavior not required by `DEC-0038`.
--- a/discussion/workflow/plans/PLN-0088-variable-glyph-palette-metadata-and-count-model.md
+++ b/discussion/workflow/plans/PLN-0088-variable-glyph-palette-metadata-and-count-model.md
@ -1,140 +0,0 @@
 ---
 id: PLN-0088
 ticket: variable-tile-bank-palette-serialization
 title: Variable Glyph Palette Metadata and Count Model
 status: done
 created: 2026-07-14
 completed: 2026-07-14
 ref_decisions:
  - DEC-0038
 tags:
  - packer
  - metadata
  - glyph-bank
  - palette-count
 ---
 ## Objective
 Make packer metadata compute and expose runtime-effective glyph-bank
 `palette_count` from declared palette data instead of hard-coding `64`.
 ## Background
 `DEC-0038` requires `palette_count` to describe the number of serialized and
 resident palettes expected by runtime. Current packer code emits
 `palette_count = 64` and uses `palette_authored` for the actual authored count.
 That makes the informative count and effective runtime count diverge.
 ## Scope
 ### Included
 - Compute effective glyph palette count from declared `output.pipeline.palettes`.
 - Validate `palette_count` in `1..=64`.
 - Keep palette identity direct; do not remap sparse authored indices.
 - Stop using `palette_authored` as a runtime-effective field.
 ### Excluded
 - Binary payload byte emission.
 - Size formula changes.
 - Studio UI changes except compile-safe DTO/projection adjustments.
 ## Execution Steps
 ### Step 1 - Add a runtime-effective palette count helper
 **What:** Centralize effective glyph palette count calculation.
 **How:** Add or update helper logic so packer derives `palette_count` from
 declared palette indices. Because v1 has no remapping, the effective count must
 cover the highest direct palette id: `max(index) + 1`. Reject no palettes,
 negative indices, duplicate indices, and any effective count above `64`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerAssetWalker.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDeclarationParser.java`
 ### Step 2 - Replace fixed runtime metadata
 **What:** Stop writing `palette_count = 64` unconditionally.
 **How:** Replace runtime metadata emission so glyph-bank entries publish the
 computed runtime-effective `palette_count`. Keep `palette_authored` only if it
 is useful as pipeline/tooling information and never as runtime-effective root
 metadata.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java`
 ### Step 3 - Validate direct palette identity
 **What:** Preserve runtime direct `palette_id` semantics.
 **How:** Ensure packer does not compact or renumber palette indices. If palette
 indices are sparse, emitted palette slots up to `palette_count - 1` must keep
 their direct identity, with missing slots represented by deterministic default
 RGBA8888 palette data only when required to preserve direct ids.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerGlyphBankWalker.java`
 ### Step 4 - Update projections that expose metadata
 **What:** Align details/read projections with the effective count.
 **How:** Ensure packer read/details APIs expose `palette_count` consistently
 where runtime metadata is projected, and do not present `palette_authored` as
 the field that runtime consumes.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDetailsService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerReadMessageMapper.java`
 ## Test Requirements
 ### Unit Tests
 - Parser/metadata tests for `palette_count = 1`, intermediate count, and `64`.
 - Rejection tests for zero effective palettes, duplicate indices, negative
  indices, and count above `64`.
 - Sparse direct identity tests where palette index `3` implies
  `palette_count = 4`, without remapping palette `3` to `0`.
 ### Integration Tests
 - Workspace read/build test proving asset table metadata reports variable
  `palette_count`.
 ### Manual Verification
 - Search packer code for `palette_count = 64` and `GLYPH_BANK_PALETTE_COUNT`
  assumptions after the change.
 ## Acceptance Criteria
 - [x] Packer computes runtime-effective `palette_count` from declared palettes.
 - [x] `palette_count` is validated as `1..=64`.
 - [x] Sparse palette ids are not remapped.
 - [x] `palette_authored` is not treated as runtime-effective metadata.
 - [x] Read/details projections do not expose stale fixed-count assumptions.
 ## Dependencies
 - Depends on `PLN-0087`.
 - Must complete before payload emission changes in `PLN-0089`.
 ## Risks
 - Sparse palette handling can accidentally become remapping if implemented by
  sorting and compacting declarations.
 - Keeping `palette_authored` in tooling may confuse readers unless tests prove
  runtime-effective metadata uses `palette_count`.
--- a/discussion/workflow/plans/PLN-0089-variable-glyph-palette-payload-emission-and-size-accounting.md
+++ b/discussion/workflow/plans/PLN-0089-variable-glyph-palette-payload-emission-and-size-accounting.md
@ -1,140 +0,0 @@
 ---
 id: PLN-0089
 ticket: variable-tile-bank-palette-serialization
 title: Variable Glyph Palette Payload Emission and Size Accounting
 status: done
 created: 2026-07-14
 completed: 2026-07-14
 ref_decisions:
  - DEC-0038
 tags:
  - packer
  - assets-pa
  - glyph-bank
  - payload
 ---
 ## Objective
 Change packer `GLYPH/indexed_v1` payload emission from a fixed 64-palette block
 to exactly `palette_count * 16 * 4` RGBA8888 bytes, with matching size and
 decoded-size accounting.
 ## Background
 `FileSystemPackerWorkspaceService` currently defines fixed palette constants
 and emits a fixed `GLYPH_BANK_PALETTE_BYTES` block. `DEC-0038` requires packer
 to emit only the runtime-effective palette count and compute asset table sizes
 from that count.
 ## Scope
 ### Included
 - Replace fixed palette byte constants with count-dependent formulas.
 - Emit exactly `palette_count` palettes in RGBA byte order.
 - Update asset table `size` and `decoded_size`.
 - Reject metadata/payload mismatches.
 ### Excluded
 - Palette model extraction changes covered by `PLN-0088`.
 - Studio UI changes.
 - Runtime code changes.
 ## Execution Steps
 ### Step 1 - Replace fixed palette byte constants
 **What:** Remove normal-path fixed `64 * 16 * 4` size assumptions.
 **How:** Keep maximum constants such as `MAX_PALETTE_COUNT = 64`, but compute
 payload palette bytes as `palette_count * 16 * 4` at each glyph-bank packing
 boundary.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerAssetWalker.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java`
 ### Step 2 - Emit variable palette bytes
 **What:** Write only runtime-effective palettes.
 **How:** Update palette byte generation to allocate
 `palette_count * 16 * 4` bytes and fill direct palette ids from `0` through
 `palette_count - 1`. Each color remains RGBA8888 in `R`, `G`, `B`, `A` order.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 ### Step 3 - Update size and decoded-size formulas
 **What:** Align asset table sizes with runtime `DEC-0041`.
 **How:** Compute:
 ```text
 size = ceil(width * height / 2) + palette_count * 16 * 4
 decoded_size = width * height + palette_count * 16 * 4
 ```
 Use these formulas for asset table entries, materializer expectations, and
 workspace build outputs.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java`
 ### Step 4 - Reject metadata/payload mismatches
 **What:** Prevent stale fixed-padding artifacts.
 **How:** Add validation that emitted palette byte length, root metadata
 `palette_count`, `size`, and `decoded_size` agree. Do not allow a fixed
 64-palette block when `palette_count < 64`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java`
 ## Test Requirements
 ### Unit Tests
 - Assert emitted palette bytes for `palette_count = 1`, an intermediate count,
  and `64`.
 - Assert `size` and `decoded_size` formulas for variable counts.
 - Assert RGBA byte order is unchanged.
 ### Integration Tests
 - Build a workspace and inspect `assets.pa` asset table and payload length for
  variable palette counts.
 ### Manual Verification
 - Search for fixed normal-path `4096`, `64 * 16 * 4`, and
  `GLYPH_BANK_PALETTE_BYTES` residue.
 ## Acceptance Criteria
 - [x] Glyph payloads emit exactly `palette_count * 16 * 4` palette bytes.
 - [x] Asset table `size` and `decoded_size` use variable formulas.
 - [x] RGBA byte order is unchanged.
 - [x] Fixed 64-palette padding is emitted only when `palette_count = 64`.
 - [x] Metadata/payload mismatch is rejected or impossible by construction.
 ## Dependencies
 - Depends on `PLN-0088`.
 ## Risks
 - Updating metadata without payload length will corrupt runtime slicing.
 - Updating payload length without decoded-size metadata will fail runtime asset
  validation.
--- a/discussion/workflow/plans/PLN-0090-studio-and-packer-projections-for-variable-glyph-palettes.md
+++ b/discussion/workflow/plans/PLN-0090-studio-and-packer-projections-for-variable-glyph-palettes.md
@ -1,147 +0,0 @@
 ---
 id: PLN-0090
 ticket: variable-tile-bank-palette-serialization
 title: Studio and Packer Projections for Variable Glyph Palettes
 status: done
 created: 2026-07-14
 completed: 2026-07-14
 ref_decisions:
  - DEC-0038
 tags:
  - studio
  - packer
  - api
  - projections
  - glyph-bank
 ---
 ## Objective
 Align Studio-facing and packer-facing projections so variable glyph
 `palette_count` is visible and not confused with `palette_authored`.
 ## Background
 `DEC-0038` says packer metadata projection and Studio-facing read/detail APIs
 must expose the runtime-effective `palette_count` correctly. Studio code must
 not treat `palette_authored` as the runtime-effective count.
 ## Scope
 ### Included
 - Update packer read/detail DTO projections where runtime metadata is surfaced.
 - Update Studio asset details, palette overhauling, schema, or pack wizard code
  if it reads fixed counts or authored counts as runtime-effective.
 - Keep `rgba8888` color projection unchanged.
 ### Excluded
 - Binary payload emission.
 - General palette UI redesign.
 - `originalArgb8888` UI fallback cleanup unrelated to variable `palette_count`.
 ## Execution Steps
 ### Step 1 - Audit projection boundaries
 **What:** Find all Studio/packer paths that expose glyph palette metadata.
 **How:** Search for `palette_count`, `palette_authored`,
 `GLYPH_BANK_PALETTE_COUNT`, fixed `64`, and related asset details projections.
 Classify each match as runtime-effective metadata, tooling-only metadata, UI
 fallback, or unrelated.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDetailsService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerReadMessageMapper.java`
 - `prometeu-studio/src/main/java/p/studio/workspaces/assets/**`
 ### Step 2 - Update packer details/read surfaces
 **What:** Expose runtime-effective `palette_count`.
 **How:** Ensure details/read projections show the `palette_count` that will be
 written to the runtime asset table. Preserve `palette_authored` only as
 explicitly tooling-only information if it remains useful.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDetailsService.java`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerReadMessageMapper.java`
 ### Step 3 - Update Studio consumers
 **What:** Prevent Studio from using authored count as runtime count.
 **How:** Adjust Studio asset details and pack wizard code so any displayed or
 validated runtime count comes from effective `palette_count`. Keep palette
 color rendering based on `rgba8888`.
 **File(s):**
 - `prometeu-studio/src/main/java/p/studio/workspaces/assets/details/**`
 - `prometeu-studio/src/test/java/p/studio/workspaces/assets/details/**`
 ### Step 4 - Preserve scene palette id shape
 **What:** Avoid accidental scene payload changes.
 **How:** Confirm scene projections still carry `palette_id` unchanged and only
 runtime/packer validation changes count semantics.
 **File(s):**
 - `prometeu-studio/src/main/java/p/studio/workspaces/assets/**`
 - `prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java`
 ## Test Requirements
 ### Unit Tests
 - Packer details/read tests for variable `palette_count`.
 - Studio asset details tests proving runtime count and authored/tooling count
  are not conflated.
 ### Integration Tests
 - Workspace read/build flow where a glyph bank with an intermediate
  `palette_count` is projected through packer/Studio surfaces.
 ### Manual Verification
 - Search Studio and packer projection code for stale assumptions that
  `palette_authored` is runtime-effective.
 ## Acceptance Criteria
 - [x] Packer read/details projections expose effective `palette_count`.
 - [x] Studio consumers do not use `palette_authored` as runtime-effective count.
 - [x] `rgba8888` color projection remains unchanged.
 - [x] Scene `palette_id` payload shape is unchanged.
 - [x] Tests cover variable count projection.
 ## Execution Notes
 - Packer runtime output projection is the `assets.pa` asset table generated by
  `FileSystemPackerWorkspaceService`; `PLN-0088` and `PLN-0089` now project the
  runtime-effective `palette_count` there.
 - `PackerAssetDetailsService` and `PackerReadMessageMapper` project palette
  color data through `pipelinePalettes` and do not expose
  `palette_authored` as runtime-effective metadata.
 - Studio asset details mapping forwards packer details without deriving a
  runtime count from `palette_authored`.
 - No DTO field was added because doing so would create a new Studio/packer API
  surface not required by `DEC-0038`.
 ## Dependencies
 - Depends on `PLN-0088`.
 - Can run in parallel with `PLN-0089` after metadata semantics are stable.
 ## Risks
 - UI code may still need ARGB helper fields for presentation. This plan must not
  turn that into a runtime metadata decision.
 - Overbroad projection edits could accidentally change scene contracts.
--- a/discussion/workflow/plans/PLN-0091-variable-glyph-palette-tests-fixtures-and-final-validation.md
+++ b/discussion/workflow/plans/PLN-0091-variable-glyph-palette-tests-fixtures-and-final-validation.md
@ -1,167 +0,0 @@
 ---
 id: PLN-0091
 ticket: variable-tile-bank-palette-serialization
 title: Variable Glyph Palette Tests, Fixtures, and Final Validation
 status: done
 created: 2026-07-14
 completed: 2026-07-14
 ref_decisions:
  - DEC-0038
 tags:
  - tests
  - fixtures
  - validation
  - glyph-bank
  - palette-serialization
 ---
 ## Objective
 Update tests and fixtures to prove Studio/packer emit runtime-conforming
 variable glyph palette payloads and contain no stale fixed-padding assumptions.
 ## Background
 `DEC-0038` requires downstream fixture coverage for `palette_count = 1`, an
 intermediate count, and `palette_count = 64`, plus producer validation for
 metadata/payload mismatch. Earlier tests still assert `palette_count = 64`,
 4096-byte palette blocks, and fixed glyph payload sizes.
 ## Scope
 ### Included
 - Update packer unit tests and integration-style workspace tests.
 - Update packer fixture `asset.json` files and expected runtime payload checks.
 - Update Studio tests only where Studio projections or UI logic expose
  effective palette count.
 - Run focused and broad validation.
 ### Excluded
 - Runtime repository tests.
 - New feature design.
 - Palette remapping behavior.
 ## Execution Steps
 ### Step 1 - Update packer parser and metadata tests
 **What:** Prove effective `palette_count` validation.
 **How:** Add tests for `palette_count = 1`, intermediate counts, `64`,
 duplicate/sparse direct identity behavior, and rejection above `64`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerAssetDeclarationParserTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerGlyphBankWalkerTest.java`
 ### Step 2 - Update payload and asset table tests
 **What:** Prove variable payload lengths and size formulas.
 **How:** Replace fixed 4096-byte expectations with
 `palette_count * 16 * 4`. Assert `size`, `decoded_size`, payload offsets, and
 RGBA bytes for several counts.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/FileSystemPackerWorkspaceServiceTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerRuntimeAssetMaterializerTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerRuntimePatchServiceTest.java`
 - `prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerRuntimeRegistryTest.java`
 ### Step 3 - Update fixtures
 **What:** Replace stale fixed-padding fixtures.
 **How:** Regenerate or edit packer test fixtures so at least one glyph bank uses
 `palette_count = 1`, one uses an intermediate count, and one uses `64`.
 Fixtures with fixed 64 padding are valid only when metadata says
 `palette_count = 64`.
 **File(s):**
 - `prometeu-packer/prometeu-packer-v1/src/test/resources/fixtures/**/asset.json`
 - Related binary or generated expected payload fixtures under packer test
  resources.
 ### Step 4 - Update Studio tests
 **What:** Cover Studio-facing projection changes.
 **How:** Adjust tests only where Studio surfaces effective palette counts or
 metadata. Keep color rendering assertions focused on `rgba8888`.
 **File(s):**
 - `prometeu-studio/src/test/java/p/studio/workspaces/assets/details/**`
 ### Step 5 - Run validation and residue scans
 **What:** Prove no normal-path fixed-padding residue remains.
 **How:** Run relevant Gradle tests and search normal specs/code/tests/fixtures
 for stale `palette_count = 64`, `4096`, fixed `64 * 16 * 4`, `GLYPH/indexed_v2`,
 and sparse remapping language. Classify any remaining match as historical,
 max-bound, or a bug.
 **File(s):**
 - `docs/specs/packer/**`
 - `docs/specs/studio/**`
 - `prometeu-packer/**`
 - `prometeu-studio/**`
 ## Test Requirements
 ### Unit Tests
 - Packer parser, walker, materializer, details/read, and workspace service tests
  pass.
 - Studio asset details tests pass where touched.
 ### Integration Tests
 - Packer workspace build/materialization tests pass.
 - Repository build or narrow Studio/packer build validation passes.
 ### Manual Verification
 - Residue scan finds no normal-path fixed-padding contract text or code.
 - `discussion validate` passes.
 ## Acceptance Criteria
 - [x] Tests cover `palette_count = 1`, an intermediate count, and `64`.
 - [x] Tests cover variable `size` and `decoded_size`.
 - [x] Tests cover emitted palette byte length and RGBA order.
 - [x] Tests cover metadata/payload mismatch rejection or producer validation.
 - [x] Fixtures no longer rely on fixed 64-palette padding unless count is `64`.
 - [x] Validation commands pass.
 - [x] Residue scan results are clean or explicitly classified.
 ## Execution Notes
 - Added packer workspace coverage for `palette_count = 1` and intermediate
  `palette_count = 7`.
 - Existing fixture and build paths continue to cover `palette_count = 64` where
  a max-count payload is intended.
 - Added parser coverage rejecting palette declaration index `64`, preserving
  the v1 maximum effective count of `64` through direct ids `0..63`.
 - `:prometeu-packer:prometeu-packer-v1:test` passed.
 - `./gradlew build` passed.
 - Residue scan found only intentional normative statements rejecting
  `convertedRgb565`, `GLYPH/indexed_v2`, fixed-padding compatibility, and
  sparse-to-dense remapping.
 ## Dependencies
 - Depends on `PLN-0087`, `PLN-0088`, `PLN-0089`, and `PLN-0090`.
 ## Risks
 - Generated project fixtures may require regeneration rather than manual edits.
 - Broad residue scans may include historical discussions; scope final checks to
  active specs, code, tests, and fixtures.
--- a/docs/specs/packer/3.
+++ b/docs/specs/packer/3.
@ -121,11 +121,6 @@ Rules:
 - glyph-bank palette payloads must expose canonical `rgba8888` color values in runtime RGBA channel order;
 - ARGB values produced by host image APIs are import-side implementation details, not canonical declaration or projection fields;
 - `convertedRgb565` is not part of the normal palette contract;
 - glyph-bank `palette_count` is an effective runtime metadata field and means
  the number of serialized and resident RGBA8888 palettes for the bank;
 - glyph-bank `palette_count` must be in the inclusive range `1..=64`;
 - `palette_authored`, when present, is informative tooling metadata only and
  must not be treated as runtime-effective metadata;
 - the packer must sort such entries by numeric `index`, not by physical array position;
 - duplicate or malformed indices are structural errors;
 - missing or malformed `palette` payloads are structural errors;
--- a/docs/specs/packer/4.
+++ b/docs/specs/packer/4.
@ -147,8 +147,7 @@ Offset ambiguity guardrail:
 ## Format-Specific Baseline: `GLYPH/indexed_v1`
-The producer contract for `GLYPH/indexed_v1` is runtime-aligned and uses a
+The first-wave producer contract for `GLYPH/indexed_v1` is fixed and runtime-aligned.
 variable RGBA8888 palette block.
 ### Tile Selection and Identity
@ -179,7 +178,7 @@ Rules:
 - the serialized payload for `GLYPH/indexed_v1` is:
  1. one packed `u4` pixel plane for the full emitted sheet;
-  2. one palette block of `palette_count * 16 * 4` bytes;
+  2. one palette block of `64 * 16 * 4 = 4096` bytes;
 - packed pixel bytes must be emitted by the packer, not inferred later by the runtime;
 - the palette block is serialized as RGBA8888 values in runtime RGBA channel order;
 - each palette entry is emitted as four bytes in `R`, `G`, `B`, `A` order;
@ -197,15 +196,10 @@ Rules:
  - `width`
  - `height`
  - `palette_count`
- tile-bank v1 requires `palette_count` in the inclusive range `1..=64`;
+- tile-bank v1 requires `palette_count = 64`;
 - `palette_count` is the number of serialized palettes and resident runtime
  palettes for the bank;
 - tile-bank v1 size formulas are:
-  - `size = ceil(width * height / 2) + palette_count * 16 * 4`
+  - `size = ceil(width * height / 2) + 4096`
-  - `decoded_size = (width * height) + palette_count * 16 * 4`
+  - `decoded_size = (width * height) + 4096`
 - fixed 64-palette padding is not a compatibility mode unless
  `palette_count = 64` and the payload directly satisfies the v1 contract;
 - `GLYPH/indexed_v2` must not be introduced for this palette-count correction.
 ### Palette Contract
@ -215,8 +209,7 @@ Rules:
 - each palette declaration uses the shape `{ "index": <int>, "palette": { ... } }`;
 - each palette payload uses canonical `rgba8888` entries interpreted as `0xRRGGBBAA`;
 - palette ordering is ascending numeric `index`, never raw array position;
- palette ids in the emitted glyph bank are direct declared palette indices;
+- palette ids in the emitted glyph bank are the normalized declared palette indices;
 - v1 has no sparse-to-dense palette remapping metadata;
 - palette index `0` is ordinary and may carry any RGBA8888 value;
 - glyph palettes have 16 usable entries;
 - transparency and partial transparency are encoded only by RGBA alpha;
--- a/docs/specs/studio/4.
+++ b/docs/specs/studio/4.
@ -226,11 +226,6 @@ Rules:
  - `preload`
 - Glyph-bank palette projections must use canonical `rgba8888` values when
  palette data is shown.
 - Glyph-bank runtime output projections must present `palette_count`, when
  shown, as the runtime-effective serialized and resident palette count in
  `1..=64`.
 - Studio-facing glyph palette views must not present `palette_authored` as the
  runtime-effective count.
 - Studio-facing glyph palette views must not expose `convertedRgb565` as normal
  runtime or tooling truth.
 - Runtime-facing output information must not require raw JSON inspection.
--- a/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java
+++ b/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/FileSystemPackerWorkspaceService.java
@ -38,9 +38,11 @@ import java.util.*;
 import java.util.stream.Stream;
 public final class FileSystemPackerWorkspaceService implements PackerWorkspaceService {
-    private static final int GLYPH_BANK_MAX_PALETTE_COUNT = 64;
+    private static final int GLYPH_BANK_PALETTE_COUNT = 64;
    private static final int GLYPH_BANK_COLORS_PER_PALETTE = 16;
    private static final int GLYPH_BANK_RGBA8888_BYTES_PER_COLOR = 4;
    private static final int GLYPH_BANK_PALETTE_BYTES =
            GLYPH_BANK_PALETTE_COUNT * GLYPH_BANK_COLORS_PER_PALETTE * GLYPH_BANK_RGBA8888_BYTES_PER_COLOR;
    private static final String SCENE_BANK_SUPPORT_FILE = "scene-bank.studio.json";
    private static final String SCENE_PACK_REQUEST_FILE = "scene-bank.pack-request.json";
@ -1123,8 +1125,7 @@ public final class FileSystemPackerWorkspaceService implements PackerWorkspaceSe
                });
        final byte[] packedPixels = packNibbles(sheetPixels);
-        final int paletteCount = runtimeGlyphPaletteCount(declaration);
+        final byte[] paletteBytes = emitGlyphBankPalettes(declaration);
        final byte[] paletteBytes = emitGlyphBankPalettes(declaration, paletteCount);
        final byte[] payload = new byte[packedPixels.length + paletteBytes.length];
        System.arraycopy(packedPixels, 0, payload, 0, packedPixels.length);
        System.arraycopy(paletteBytes, 0, payload, packedPixels.length, paletteBytes.length);
@ -1133,7 +1134,7 @@ public final class FileSystemPackerWorkspaceService implements PackerWorkspaceSe
        runtimeMetadata.put("tile_size", tileSize);
        runtimeMetadata.put("width", width);
        runtimeMetadata.put("height", height);
-        runtimeMetadata.put("palette_count", paletteCount);
+        runtimeMetadata.put("palette_count", GLYPH_BANK_PALETTE_COUNT);
        runtimeMetadata.put("palette_authored", countAuthoredGlyphBankPalettes(declaration));
        runtimeMetadata.put("codec", Map.of());
        declaration.outputMetadata().forEach((key, value) -> {
@ -1153,7 +1154,7 @@ public final class FileSystemPackerWorkspaceService implements PackerWorkspaceSe
                "GLYPH",
                "NONE",
                payload,
-                width * height + paletteBytes.length,
+                width * height + GLYPH_BANK_PALETTE_BYTES,
                runtimeMetadata,
                toolingMetadata,
                declaration.preloadEnabled());
@ -1274,8 +1275,8 @@ public final class FileSystemPackerWorkspaceService implements PackerWorkspaceSe
        return packed;
    }
-    private byte[] emitGlyphBankPalettes(PackerAssetDeclaration declaration, int paletteCount) {
+    private byte[] emitGlyphBankPalettes(PackerAssetDeclaration declaration) {
-        final byte[] bytes = new byte[glyphBankPaletteBytes(paletteCount)];
+        final byte[] bytes = new byte[GLYPH_BANK_PALETTE_BYTES];
        final JsonNode palettesNode = declaration.outputPipelineMetadata().get("palettes");
        if (!(palettesNode instanceof com.fasterxml.jackson.databind.node.ArrayNode palettesArray)) {
            return bytes;
@ -1287,7 +1288,7 @@ public final class FileSystemPackerWorkspaceService implements PackerWorkspaceSe
                continue;
            }
            final int paletteIndex = indexNode.intValue();
-            if (paletteIndex < 0 || paletteIndex >= paletteCount) {
+            if (paletteIndex < 0 || paletteIndex >= GLYPH_BANK_PALETTE_COUNT) {
                continue;
            }
            final JsonNode rgbaNode = paletteNode.path("rgba8888");
@ -1307,53 +1308,11 @@ public final class FileSystemPackerWorkspaceService implements PackerWorkspaceSe
        return bytes;
    }
    private int glyphBankPaletteBytes(int paletteCount) {
        if (paletteCount < 1 || paletteCount > GLYPH_BANK_MAX_PALETTE_COUNT) {
            throw new IllegalStateException("Glyph packing requires palette_count in 1..="
                    + GLYPH_BANK_MAX_PALETTE_COUNT + ".");
        }
        return paletteCount * GLYPH_BANK_COLORS_PER_PALETTE * GLYPH_BANK_RGBA8888_BYTES_PER_COLOR;
    }
    private int countAuthoredGlyphBankPalettes(PackerAssetDeclaration declaration) {
        final JsonNode palettesNode = declaration.outputPipelineMetadata().get("palettes");
        return palettesNode instanceof ArrayNode palettesArray ? palettesArray.size() : 0;
    }
    private int runtimeGlyphPaletteCount(PackerAssetDeclaration declaration) {
        final JsonNode palettesNode = declaration.outputPipelineMetadata().get("palettes");
        if (!(palettesNode instanceof ArrayNode palettesArray) || palettesArray.isEmpty()) {
            throw new IllegalStateException("Glyph packing requires at least one declared pipeline palette.");
        }
        int maxPaletteIndex = -1;
        final Set<Integer> seen = new HashSet<>();
        for (JsonNode declarationNode : palettesArray) {
            final JsonNode indexNode = declarationNode.path("index");
            final JsonNode paletteNode = declarationNode.path("palette");
            if (!indexNode.isInt() || indexNode.intValue() < 0) {
                throw new IllegalStateException("Glyph packing requires non-negative integer palette indices.");
            }
            final int paletteIndex = indexNode.intValue();
            if (!seen.add(paletteIndex)) {
                throw new IllegalStateException("Glyph packing requires unique palette indices.");
            }
            if (paletteIndex >= GLYPH_BANK_MAX_PALETTE_COUNT) {
                throw new IllegalStateException("Glyph packing supports palette indices in 0.."
                        + (GLYPH_BANK_MAX_PALETTE_COUNT - 1) + ".");
            }
            if (!paletteNode.path("rgba8888").isArray()) {
                throw new IllegalStateException("Glyph packing requires rgba8888 entries in each declared palette.");
            }
            maxPaletteIndex = Math.max(maxPaletteIndex, paletteIndex);
        }
        final int paletteCount = maxPaletteIndex + 1;
        if (paletteCount < 1 || paletteCount > GLYPH_BANK_MAX_PALETTE_COUNT) {
            throw new IllegalStateException("Glyph packing requires palette_count in 1..="
                    + GLYPH_BANK_MAX_PALETTE_COUNT + ".");
        }
        return paletteCount;
    }
    private byte[] encodeScenePackRequest(ScenePackRequest request) {
        final ByteArrayOutputStream output = new ByteArrayOutputStream();
        writeBytes(output, new byte[]{'S', 'C', 'N', 'E'});
--- a/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDeclarationParser.java
+++ b/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/services/PackerAssetDeclarationParser.java
@ -324,14 +324,6 @@ public final class PackerAssetDeclarationParser {
                        "Field 'output.pipeline.palettes' contains duplicate palette index " + indexNode.intValue() + ".",
                        manifestPath,
                        true));
            } else if (indexNode.intValue() >= MAX_PIPELINE_PALETTES) {
                diagnostics.add(new PackerDiagnostic(
                        PackerDiagnosticSeverity.ERROR,
                        PackerDiagnosticCategory.STRUCTURAL,
                        "Field 'output.pipeline.palettes' cannot declare palette index " + indexNode.intValue()
                                + "; maximum supported index is " + (MAX_PIPELINE_PALETTES - 1) + ".",
                        manifestPath,
                        true));
            }
            if (!paletteNode.isObject()) {
--- a/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/FileSystemPackerWorkspaceServiceTest.java
+++ b/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/FileSystemPackerWorkspaceServiceTest.java
@ -338,10 +338,8 @@ final class FileSystemPackerWorkspaceServiceTest {
        assertEquals(16, assetTable.get(0).path("metadata").path("tile_size").asInt());
        assertEquals(256, assetTable.get(0).path("metadata").path("width").asInt());
        assertEquals(256, assetTable.get(0).path("metadata").path("height").asInt());
-        assertEquals(1, assetTable.get(0).path("metadata").path("palette_count").asInt());
+        assertEquals(64, assetTable.get(0).path("metadata").path("palette_count").asInt());
        assertEquals(1, assetTable.get(0).path("metadata").path("palette_authored").asInt());
        assertEquals(32768 + 64, assetTable.get(0).path("size").asInt());
        assertEquals(65536 + 64, assetTable.get(0).path("decoded_size").asInt());
        assertTrue(assetTable.get(0).path("metadata").path("pipeline").isMissingNode());
        final var preload = MAPPER.readTree(projectRoot.resolve("build/preload.json").toFile());
@ -356,53 +354,6 @@ final class FileSystemPackerWorkspaceServiceTest {
        assertEquals(0, assetTableMetadata.get(0).path("metadata").path("pipeline").path("palettes").get(0).path("index").asInt());
    }
    @Test
    void packWorkspaceEmitsIntermediateGlyphPaletteCountWithoutRemappingPaletteIdentity() throws Exception {
        final Path projectRoot = copyFixture("workspaces/managed-basic", tempDir.resolve("pack-workspace-palette-count-7"));
        final Path assetRoot = projectRoot.resolve("assets/ui/atlas");
        final Path manifestPath = assetRoot.resolve("asset.json");
        writeTilePng(assetRoot.resolve("confirm.png"), 16);
        final ObjectNode manifest = (ObjectNode) MAPPER.readTree(manifestPath.toFile());
        final ObjectNode output = (ObjectNode) manifest.path("output");
        output.putObject("metadata").put("tile_size", "16x16");
        final ObjectNode pipeline = output.putObject("pipeline");
        final var palettes = pipeline.putArray("palettes");
        final ObjectNode palette = palettes.addObject();
        palette.put("index", 6);
        palette.putObject("palette")
                .putArray("rgba8888").add(0xFF0000FF);
        final var artifacts = manifest.putArray("artifacts");
        artifacts.addObject().put("file", "confirm.png").put("index", 0);
        MAPPER.writerWithDefaultPrettyPrinter().writeValue(manifestPath.toFile(), manifest);
        final FileSystemPackerWorkspaceService service = service();
        final var result = service.packWorkspace(new PackWorkspaceRequest(project(projectRoot)));
        assertEquals(PackerOperationStatus.SUCCESS, result.status());
        final byte[] assetsPa = Files.readAllBytes(projectRoot.resolve("build/assets.pa"));
        final var assetTable = MAPPER.readTree(projectRoot.resolve("build/asset_table.json").toFile());
        assertEquals(7, assetTable.get(0).path("metadata").path("palette_count").asInt());
        assertEquals(1, assetTable.get(0).path("metadata").path("palette_authored").asInt());
        assertEquals(32768 + (7 * 16 * 4), assetTable.get(0).path("size").asInt());
        assertEquals(65536 + (7 * 16 * 4), assetTable.get(0).path("decoded_size").asInt());
        final int payloadOffset = (int) readLeLong(assetsPa, 12);
        final int assetOffset = assetTable.get(0).path("offset").asInt();
        final int packedPixelBytes = (assetTable.get(0).path("metadata").path("width").asInt()
                * assetTable.get(0).path("metadata").path("height").asInt()) / 2;
        final int paletteStart = payloadOffset + assetOffset + packedPixelBytes;
        final int paletteSixStart = paletteStart + (6 * 16 * 4);
        assertEquals(0x00, assetsPa[paletteStart] & 0xFF);
        assertEquals(0x00, assetsPa[paletteStart + 1] & 0xFF);
        assertEquals(0x00, assetsPa[paletteStart + 2] & 0xFF);
        assertEquals(0x00, assetsPa[paletteStart + 3] & 0xFF);
        assertEquals(0xFF, assetsPa[paletteSixStart] & 0xFF);
        assertEquals(0x00, assetsPa[paletteSixStart + 1] & 0xFF);
        assertEquals(0x00, assetsPa[paletteSixStart + 2] & 0xFF);
        assertEquals(0xFF, assetsPa[paletteSixStart + 3] & 0xFF);
    }
    @Test
    void packWorkspaceRemapsGlyphTileIndicesUsingGlyphMaterialSchema() throws Exception {
        final Path projectRoot = copyFixture("workspaces/managed-basic", tempDir.resolve("pack-workspace-remap-material"));
--- a/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerAssetDeclarationParserTest.java
+++ b/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/services/PackerAssetDeclarationParserTest.java
@ -215,39 +215,6 @@ final class PackerAssetDeclarationParserTest {
        assertTrue(result.diagnostics().stream().anyMatch(diagnostic -> diagnostic.message().contains("duplicate palette index 0")));
    }
    @Test
    void rejectsPaletteDeclarationIndexAboveV1Maximum() throws Exception {
        final Path manifest = tempDir.resolve("asset.json");
        Files.writeString(manifest, """
                {
                  "schema_version": 1,
                  "asset_uuid": "uuid-palette-too-high",
                  "name": "palette_asset",
                  "type": "glyph_bank",
                  "output": {
                    "format": "GLYPH/indexed_v1",
                    "codec": "NONE",
                    "pipeline": {
                      "palettes": [
                        {
                          "index": 64,
                          "palette": {
                            "rgba8888": [-16776961]
                          }
                        }
                      ]
                    }
                  },
                  "preload": { "enabled": true }
                }
                """);
        final var result = parser.parse(manifest);
        assertFalse(result.valid());
        assertTrue(result.diagnostics().stream().anyMatch(diagnostic -> diagnostic.message().contains("maximum supported index is 63")));
    }
    @Test
    void rejectsMalformedJsonWithStructuralDiagnostic() {
        final var result = parser.parse(PackerFixtureLocator.fixtureRoot("workspaces/invalid-malformed/assets/bad/asset.json"));
--- a/test-projects/main/assets/.prometeu/cache.json
+++ b/test-projects/main/assets/.prometeu/cache.json
@ -14,13 +14,13 @@
      "last_modified" : 1779659315450,
      "fingerprint" : "ac565160c0dceb321b8f6c9094f2b5e6ae398396fe32c8ead706f5cc36f465cf",
      "metadata" : {
        "palette" : {
          "rgba8888" : [ 0, 673720574, -523190018, -117903106, 945858814, -1600620290, 1484833022 ]
        },
        "tile" : {
          "width" : 32,
          "height" : 32,
          "paletteIndices" : "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQEBAQEBAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAgICAgICAQAAAAAAAAAAAAABAQEAAAAAAAAAAAAAAAEDBAQEBAQCAQAAAAAAAQEBAQICAgEAAAAAAAAAAAAAAQMEAgUFBQQCAQEBAQECAgICBAQEAgEAAAAAAAAAAAABAwQCBQUFBQQDAwMDAgQEBAQFAgIEAwEBAAAAAAAAAAEDBAIFBQUFAgQEBgYEBQUFBQICAgIEAwMBAQAAAAAAAQMEAgUFBQICAgMDAwIFBQUFBQICAgIGBgMCAQAAAAABAwQCBQUFAgICAgMDAgUFBQUFAgICAwMDBAQCAQEAAAEDBAIFBQUCAgICAwMCBQUFBQUCAgICAwMCAgQFAQAAAQMEAgUFBQICAgIDAwIFBQUFBAQEBAQDAwQEBQEAAAABAwQCBQUFAgICAgMDAgUFBAQFAgICAgYGAgUBAAAAAAEDBAIEBAQEBAICAwMCBQQFBQEBAQEBAwMBAQAAAAAAAQMEBAUFBQUCBAIDAwIEBQEBAAAAAAABAQAAAAAAAAABAwICBQEBAQECBAYGBAUBAAAAAAAAAAAAAAAAAAAAAQECAgIBAAAAAAEDAwICAQAAAAAAAAAAAAAAAAAAAAEBAQEBAQAAAAAAAAEBAQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=="
        },
        "palette" : {
          "rgba8888" : [ 0, 673720574, -523190018, -117903106, 945858814, -1600620290, 1484833022 ]
        }
      },
      "diagnostics" : [ ]
@ -59,13 +59,13 @@
      "last_modified" : 1779659315452,
      "fingerprint" : "6dd024eb2259efaa03908ff0c3b75eb67f9da56d365e4a35d8e619b71c7507db",
      "metadata" : {
        "palette" : {
          "rgba8888" : [ 0, 255, -540033025, -134746113, -101191169, 945858815, 1501544959, -1617463297, -1583777281, -1583908353, -1617462785, 929015807, 962701823, 690432511 ]
        },
        "tile" : {
          "width" : 32,
          "height" : 32,
          "paletteIndices" : "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQEBAQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAgMDBAEBAQEBAAAAAAAAAAAAAAABAQAAAAAAAAAAAAECBQYGBAIHBwgBAAAAAAAAAAEBAQICAQEAAAAAAAAAAQIFAwMGBQUFBQIBAAAAAAEBCQIHBQUDBAEBAAAAAAABAgUDAwIICAoIBQIBAQEBBwcLCwwIAgYGAwMBAAAAAAECBQMDAgoKCgoKBQMDAwIFBQgCCgIKAgIGAwEAAAAAAQIFAwMCCAgICAgCBQYGBQoKCgoCCgICAwMGAwEAAAABAgUDAggICAgICAICAwMCCAgIAggFBQUGBgYDDQAAAAECBgMCCAgICAgIAgIDAggICAgFBQoCAwMDAwQEAQAAAQIGAwIICAgICAgCAgMCCAgIBQgKAQEBAQEBAQQBAAABAgYDAggICAgIAgICAwIKCAUIAQEAAAAAAAAAAQEAAAECBgMCCAgICAUFAgIDAggFCgEAAAAAAAAAAAAAAAAAAQIGAwIICAUFCAIFBQYLBQgBAAAAAAAAAAAAAAAAAAABAgYFBQUFCAoBAQIDBAIJAQAAAAAAAAAAAAAAAAAAAQECAwIICAgBAQAAAQEBAQEAAAAAAAAAAAAAAAAAAAEBAQEBAQEBAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=="
        },
        "palette" : {
          "rgba8888" : [ 0, 255, -540033025, -134746113, -101191169, 945858815, 1501544959, -1617463297, -1583777281, -1583908353, -1617462785, 929015807, 962701823, 690432511 ]
        }
      },
      "diagnostics" : [ ]
@ -76,13 +76,13 @@
      "last_modified" : 1779659315453,
      "fingerprint" : "c8e30f40473deedb265be26967f6bf5f2ba35a2bd5d0a049dcb8843fa60d5600",
      "metadata" : {
        "palette" : {
          "rgba8888" : [ 0, 538976511, 1368527103, 1907499263, -205315841, -1014890241, -1302257409, -202116097, -207461889, -476950017, 1631658239, -1300082177 ]
        },
        "tile" : {
          "width" : 32,
          "height" : 32,
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